Starbucks Banana Loaf Calories & Full Nutrition Facts 2026

Introduction

I still remember the first time I grabbed a Starbucks Banana Loaf without thinking twice about what was in it. I was running late, skipped breakfast, and it looked harmless enough — it’s basically banana bread, right? Fruit. How bad could it be?

That afternoon, I logged it into MyFitnessPal out of curiosity, and my jaw dropped. It ate up nearly 20% of my entire daily calorie budget in one slice. I wasn’t angry. Honestly, I was just surprised — and a little motivated to actually understand what I was eating.

If you’ve ever stood at that pastry case wondering the same thing, this guide is for you.

How Many Calories Are in a Starbucks Banana Loaf?

One slice (115g) of the Starbucks Banana Walnut & Pecan Loaf contains approximately 360 calories (US). It has 17g of fat, 49g of carbohydrates, 28g of sugar, and 5g of protein. The UK version is slightly different, at around 368–380 calories per serving.

US serving: 360 cal · 17g fat · 49g carbs · 28g sugar · 5g protein · 320mg sodium
UK serving: ~368–380 cal · 20g fat · 41–46g carbs · 26g sugar · 5–6g protein

Why There Are Two Different Calorie Numbers (US vs UK) — And Which One to Trust

Here’s something that confused me for a long time: depending on which website you check, the Starbucks Banana Loaf is listed as 360 calories on some pages and 380 on others. Some say 368. Which is right?

The answer is: they’re all right — for different markets.

Starbucks USA and Starbucks UK use slightly different recipes. The product is officially called the Banana Walnut & Pecan Loaf in both markets, but portion weight, oil content, and the specific nut blend differ slightly by region. That’s why you’ll see:

US version (115g slice): 360 calories — sourced from Starbucks USA official nutrition menu
UK version (per piece): ~368–380 calories — sourced from Nutracheck UK and Starbucks UK nutrition data

If you’re in the USA, go with 360 calories as your reference point. If you’re in the UK, use 368–380 calories.

No other source I’ve found explains this clearly. Most sites just pick one number and run with it. Now you know why the numbers vary — and that’s not a data error, it’s a recipe difference.

Full Starbucks Banana Loaf Nutrition Facts (US Version)

Let’s go through every macro and micronutrient on the official label so you have the full picture.

Serving Size: 1 slice — 115g

Nutrient	Amount	% Daily Value
Calories	360	—
Total Fat	17g	22%
Saturated Fat	2.5g	13%
Trans Fat	0.3g	—
Cholesterol	70mg	23%
Sodium	320mg	14%
Total Carbohydrates	49g	18%
Dietary Fiber	2g	7%
Total Sugars	28g	—
Added Sugars	~24 g (est.)	—
Protein	5g	10%

Percentages based on a 2,000-calorie/day diet. Source: Starbucks USA official nutrition information.

What This Actually Means for Your Day

Let me put this into real-world terms, because raw numbers don’t always click.

360 calories is roughly the same as eating two scrambled eggs with two slices of toast and a pat of butter.
28g of sugar is about 7 teaspoons of sugar — more than a can of Coke has in many formulations.
17g of fat covers 22% of the recommended daily fat intake before you’ve even had lunch.
5g of protein is modest. You won’t feel full for long on this alone.

That doesn’t make it evil. It makes it a treat — and knowing that upfront means you can plan around it intelligently.

What’s Actually Inside the Starbucks Banana Loaf? (Full Ingredients List)

Most calorie articles skip the ingredients entirely. That’s a mistake, because the ingredient list tells you why the numbers are what they are.

Official ingredients (US standard recipe):

Bananas, Enriched Wheat Flour (Wheat Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Sugar, Soybean and/or Canola Oil, Eggs, Walnuts, Pecans, Mono and Diglycerides, Sea Salt, Sodium Bicarbonate, Baking Powder (Sodium Acid Pyrophosphate, Cornstarch, Monocalcium Phosphate), Natural Flavor, Spice, Soy Lecithin.

A few things worth noticing here:

Bananas are ingredient #1 — so they do make up the bulk of this loaf. That’s real fruit, not flavoring.
Sugar is #3 — before the oil and eggs. That explains the 28g sugar count.
Soybean/Canola oil rather than butter keeps the saturated fat lower than you might expect for a bakery item.
Walnuts and pecans are the source of most of the healthy unsaturated fats.
Soy lecithin is used as an emulsifier — relevant if you have a soy sensitivity.

Allergen Information

This item contains: Egg, Soy, Wheat, Tree Nuts (Walnuts, Pecans)

It is produced in a facility that handles other tree nuts, peanuts, dairy, and sesame. If you have a nut allergy, this item is not safe — even setting aside the listed walnuts and pecans, cross-contamination is a real concern in Starbucks bakery environments.

For up-to-date allergen information, always check the Starbucks mobile app or ask a barista to pull the official allergen sheet. Recipes can change without public notice.

Is the Starbucks Banana Loaf Healthy?

This is the question I get most often, and the honest answer is: it depends on what you’re eating it instead of.

The Case For It

It’s made with real bananas, which add natural potassium and a small fiber contribution.
The fat content largely comes from walnuts and pecans — sources of heart-healthy unsaturated fats that the American Heart Association recognizes as beneficial in moderation.
At 5g of protein, it’s not a protein powerhouse, but it’s nothing either.
Compared to some Starbucks bakery items (more on that below), it’s mid-range in calories.

The Case Against Eating It Daily

28g of sugar in one slice is significant. The American Heart Association recommends no more than 36g of added sugar per day for men and 25g for women. One slice gets you very close to — or past — that entire daily limit.
The dietary fiber (2g) is low. You won’t feel satisfied for long.
At 360 calories, it’s a large chunk of calories for something that doesn’t keep hunger at bay.
Trans fat (0.3g) is present, which is worth noting for anyone with cardiovascular concerns.

My Personal Take

I eat it maybe once a month, usually when I’m treating myself on a long travel day. I pair it with a black coffee or an unsweetened iced tea to keep the overall order balanced. I don’t track it as a guilt item — I just account for it.

The mistake I used to make was eating it and a full latte and calling it breakfast, then being confused about why I was hungry again by 10 am. High sugar, low protein, modest fiber — that’s the combination that produces a blood sugar spike and a crash.

Starbucks Banana Loaf Macros Breakdown

If you track macros for fitness goals, here’s how the Banana Loaf fits into common diet frameworks:

For Weight Loss (Calorie Deficit)

On a 1,500–1,800 calorie deficit diet, 360 calories is a meaningful investment. It works if you plan around it — keep your other meals protein-heavy and fiber-rich to compensate.

For Keto / Low-Carb Diets

Not keto-friendly. With 49g of carbohydrates and 28g of sugar, one slice would exceed most ketogenic daily carb targets (typically 20–50g net carbs) in a single serving. Skip this one if you’re strict keto.

For Vegetarian / Vegan Diets

This item is vegetarian (contains eggs and no meat). It is not vegan — it contains eggs and may contain dairy traces through cross-contamination. Starbucks does not certify this item as vegan.

Weight Watchers / WW SmartPoints

Based on comparable Starbucks bakery item calculations and the macros above, the Banana Loaf is approximately 15–17 WW SmartPoints per slice. Always verify in the official WW app for your specific plan.

Half a Slice — Does Anyone Actually Do That?

Yes. And the numbers are genuinely reasonable for a snack.

Half of a Starbucks Banana Loaf (approximately 57–58g):

Nutrient	Half Slice
Calories	~180
Fat	~8.5g
Carbs	~24.5g
Sugar	~14g
Protein	~2.5g

At 180 calories with 14g of sugar, a half slice paired with a black coffee or a protein-heavy drink becomes a much more manageable snack. I’ve done this dozens of times on travel mornings — ask the barista to cut it in half. Most will, without hesitation.

How Long Would You Need to Exercise to Burn Off 360 Calories?

This is purely informational — not a recommendation to “earn” your food through exercise. But for those who find calorie burn data useful for context:

Activity	Approximate Time to Burn 360 Cal
Walking (brisk, 3.5 mph)	~70–75 minutes
Running (6 mph)	~32–35 minutes
Cycling (moderate)	~45–50 minutes
Swimming (moderate)	~40–45 minutes
Yoga (vinyasa flow)	~55–65 minutes

Estimates based on a 155lb (70kg) person. Results vary based on body weight, fitness level, and intensity.

Starbucks Banana Loaf vs Other Starbucks Bakery Items

One of the biggest gaps I noticed when researching this topic is that no one compares the Banana Loaf to other Starbucks bakery items side by side. So here it is — the comparison table no one else has built.

Starbucks Bakery Item	Calories	Fat	Carbs	Sugar	Protein
Banana Walnut & Pecan Loaf	360	17g	49g	28g	5g
Lemon Loaf	500	24g	76g	42g	5g
Pumpkin Loaf	390	14g	66g	39g	6g
Blueberry Muffin	380	17g	54g	29g	6g
Butter Croissant	310	18g	32g	6g	6g
Chocolate Croissant	370	19g	45g	15g	7g
Banana Nut Bread (Starbucks Canada)	400	20g	52g	28g	6g

Data sourced from Starbucks USA official nutrition disclosures. Figures may vary by location and season.

Key Takeaways from This Comparison

The Banana Walnut & Pecan Loaf is not the worst choice in the Starbucks bakery case. The Lemon Loaf has 500 calories and 42g of sugar — significantly higher.
The Butter Croissant has fewer calories (310) and dramatically less sugar (6g), though it offers similar protein and slightly more saturated fat from butter.
The Pumpkin Loaf is comparable in calories but has more sugar (39g vs 28g).
If you’re watching sugar specifically, the Chocolate Croissant is surprisingly better than the Banana Loaf (15g vs 28g sugar).

This context matters. “Is the Banana Loaf healthy?” is really a question of comparison to what. Within the Starbucks bakery category, it’s middle-of-the-road on calories and better than some on sugar.

How to Track Starbucks Banana Loaf Calories Accurately

I’ve been tracking food for a few years, and the biggest mistake people make is logging this item wrong. Here’s how to do it right.

Using MyFitnessPal

Search: “Starbucks Banana Walnut Pecan Loaf” — the official Starbucks entry appears with 360 calories. Do not use generic “banana bread” entries from the database — they vary wildly (anywhere from 190 to 490 calories per slice, depending on the recipe logged).

Always verify against the official Starbucks entry. If you’re outside the US, use the Starbucks UK entry specifically.

Using the Starbucks Mobile App

The Starbucks app shows the nutrition info for every food item before you order. It’s the most accurate source available because it reflects current menu formulations. Tap any food item → scroll to “Nutrition” → see the full label.

Using CalorieKing

CalorieKing lists Starbucks items and is generally reliable for US nutrition data. Their Banana Walnut Loaf entry aligns with the official Starbucks figures.

Using the USDA Food Database

The USDA FoodData Central does not have a Starbucks-specific entry for this item. If you search “banana bread” there, you’ll get generic homemade recipes, not the Starbucks product. Don’t rely on this source for Starbucks items.

The Coffee Pairing Question — What Should You Order With It?

Since the Banana Loaf is already calorie-dense and sugar-heavy, your drink choice matters more than people realize.

Lower-Calorie Pairings (Under 100 cal total for the drink)

Hot or iced black coffee — 0–5 calories
Americano (no milk or syrups) — ~15 calories
Cold brew (no customization) — ~5 calories
Unsweetened iced green tea — 0 calories

Moderate Pairings (100–200 cal for the drink)

Tall Blonde Vanilla Latte with oat milk — ~180 calories
Flat white (tall, 2% milk) — ~170 calories
Cappuccino (tall, 2% milk) — ~110 calories

Combinations to Avoid (If You’re Calorie-Conscious)

Caramel Macchiato (grande) + Banana Loaf = ~750 calories in one order
Pumpkin Spice Latte (grande, 2%) + Banana Loaf = ~770 calories
Iced Brown Sugar Oat Shaken Espresso (grande) + Banana Loaf = ~710 calories

These aren’t “bad” combinations — they’re just significant if you’re trying to keep a single Starbucks stop under 400–500 calories.

My personal go-to: a tall Americano with a splash of oat milk (about 30 calories) and a half slice of the Banana Loaf. That’s roughly 210 calories for a satisfying mid-morning treat.

Common Mistakes People Make with Starbucks Calorie Tracking

I’ve made most of these myself, so I’m not judging — just sharing.

Mistake 1: Trusting the Wrong Data Source

I once logged “banana bread slice” from a generic MyFitnessPal entry and got 196 calories. The Starbucks-specific entry is 360. That’s a 164-calorie gap in a single item. Over a week, if you’re eating this three times, that’s almost 500 calories unaccounted for.

Fix: Always search for “Starbucks” specifically, not just the food type.

Mistake 2: Assuming “Banana” Means Low-Sugar

I made this assumption for months. Bananas have natural sugars, yes — but Starbucks also adds significant refined sugar to the recipe (it’s the third ingredient). The loaf is sweet because it’s designed to be sweet, not just because of the fruit.

Fix: Read the sugar line on the label, not just the ingredient list.

Mistake 3: Not Accounting for the Warming Effect

Starbucks can warm this item. Warming doesn’t change the calorie count — but it makes the loaf taste richer and more indulgent, which can make you want more of it. I’ve watched people eat a whole slice, warmed, and then reach for another. The calories don’t change. Your appetite perception might.

Fix: Be intentional. Decide before you warm it whether you’re having half or the whole thing.

Mistake 4: Logging Once and Assuming All Locations Are Identical

Starbucks maintains consistent standards, but there can be slight variations in portion weight at different licensed locations (airports, grocery stores, university cafeterias). A Starbucks location inside a Target operates under a licensed agreement and may use slightly different portioning.

Fix: When in doubt, use the Starbucks app at the specific store type to verify.

Pro Tips — From Someone Who Actually Eats This Regularly

These are the practical things I wish someone had told me earlier.

Ask for it unwarmed if you want to eat half. Warm banana loaf is harder to stop eating. Room-temperature makes portion control easier.

Pair it with protein. Order a plain egg bite or a protein box alongside a half slice. The protein dramatically improves how full you feel, and the total calorie cost is similar to eating the full loaf alone.

Check the Starbucks app before your visit. The nutrition filter in the Starbucks app lets you sort food items by calories. If you’re planning a lighter day, you can compare the Banana Loaf against other available items before you walk in.

The loaf doesn’t “go bad” the same way a muffin does. Because it’s a denser, oil-based quick bread, it holds up better than most Starbucks pastries. If you’re getting one for a road trip, it travels well.

Don’t write it off entirely. I’ve seen people in health communities treat the Starbucks Banana Loaf like it’s radioactive. It’s not. It’s 360 calories with real bananas, real nuts, and a reasonable amount of protein. In the context of an otherwise balanced day, it fits fine.

Tools & Apps to Track Starbucks Nutrition

Tool	Best For	Free?
Starbucks Mobile App	Most accurate, real-time menu nutrition	Yes
MyFitnessPal	Calorie tracking + macro logging	Free (premium optional)
CalorieKing	Quick calorie lookups, no login needed	Yes
Cronometer	Micronutrient depth (vitamins, minerals)	Free (premium optional)
Lose It!	Barcode scanning + restaurant database	Free (premium optional)

Here’s a quick reference for the best tools I’ve actually used:For Starbucks-specific nutrition, the Starbucks app is always the primary source. Use MyFitnessPal or CalorieKing to log it within your daily tracking.

How This Fits Into a Broader Healthy Eating Pattern

I want to be clear about something: no single food item makes or breaks a healthy diet. The Starbucks Banana Loaf is not a health food. It’s also not a junk food in the processed-snack sense. It’s a bakery treat — and treating it like one is the most practical approach.

If your overall diet is built on whole foods, adequate protein, fiber-rich vegetables, and appropriate total calories, one 360-calorie slice of banana loaf fits comfortably. The problems come when it becomes a daily habit stacked on top of high-calorie drinks, skipped vegetables, and sedentary afternoons.

The USDA Dietary Guidelines and the American Heart Association both acknowledge that flexible eating — where treats have a place — is more sustainable than strict elimination. I’ve found that to be true personally. Knowing exactly what’s in the Banana Loaf actually made me more relaxed about eating it, not less.

FAQ’s

How many calories are in a Starbucks Banana Loaf?

One slice of the Starbucks Banana Walnut & Pecan Loaf contains 360 calories in the US. The UK version contains approximately 368–380 calories. The difference is due to slight recipe variations between markets.

Is the Starbucks Banana Loaf healthy?

It is a treat-category bakery item, not a health food. It contains real bananas and healthy nuts, but also 28g of sugar and 360 calories per slice. Enjoyed occasionally as part of a balanced diet, it’s perfectly fine. Eating it daily would contribute a significant amount of sugar and calories.

Does the Starbucks Banana Loaf contain nuts?

Yes. It contains walnuts and pecans. It is produced in a facility that handles other tree nuts and peanuts, making it unsuitable for anyone with a tree nut or peanut allergy.

Is the Starbucks Banana Loaf vegan?

No. It contains eggs and may have cross-contamination with dairy. It is vegetarian but not vegan.

What is the serving size for Starbucks Banana Loaf?

The official US serving size is one slice, weighing approximately 115 grams. This is the standard single portion sold at Starbucks locations in the US.

How does the Starbucks Banana Loaf compare to the Lemon Loaf in calories?

The Banana Walnut & Pecan Loaf (360 cal) has significantly fewer calories than the Starbucks Lemon Loaf (500 cal). The Lemon Loaf also has more sugar (42g vs 28g). The Banana Loaf is the lower-calorie option between the two.

Can I eat half of a Starbucks Banana Loaf to save calories?

Yes. Half a slice is approximately 180 calories with about 14g of sugar. It’s a reasonable snack portion when paired with a low-calorie drink. Ask your barista to cut it in half — most are happy to do so.

Final Thoughts

The Starbucks Banana Walnut & Pecan Loaf is one of those items that surprised me with its real numbers. Not in a “this is terrible, never eat it” way — but in a “now I actually understand what I’m choosing” way. And that’s honestly the best outcome of looking into this.

At 360 calories, 28g of sugar, and 17g of fat, it’s a treat. It tastes like one. It should be eaten like one — occasionally, intentionally, with a coffee that complements it rather than doubles the calorie count.

Now that you have the full picture — the macros, the ingredients, the US vs UK difference, the comparison with other Starbucks bakery items — you can make that choice with confidence the next time you’re standing at that pastry case.