1 slice (thin) of Banana bread (very thin slice) (20 g) has 58 calories. That works out to 290 calories per 100 g. It contains 10.4 g of carbs, 0.8 g of protein, 1.5 g of fat and 0.4 g of fiber. Its glycemic index is 60 (medium), so it raises blood sugar at a moderate pace.

Banana bread (very thin slice) Nutrition Facts

Selected: 1 slice (thin) · 20 g

KCAL / 20G

Carbs

10.4g

· 4% DV

Protein

0.8g

· 2% DV

Fat

1.5g

· 2% DV

Fiber

0.4g

· 1% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 71% · Protein 5% · Fat 24%

Banana bread (very thin slice) nutrition facts table · 1 slice (thin) (20 g)

Nutrient	Amount	% DV
Calories	58 kcal
Total fat	1.5 g	2%
Saturated fat	0.34 g	2%
Trans fat	0 g
Sodium	46 mg	2%
Total carbohydrate	10.4 g	4%
Fiber	0.4 g	1%
Protein	0.8 g	2%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Slice of Banana bread (very thin slice)?

Serving	Amount	Calories
1 slice (thin)	20 g	58 kcal
1 slice (extra small)	15 g	44 kcal
1 slice (medium)	30 g	87 kcal
2 slice (thin)	40 g	116 kcal
1 slice (thick)	45 g	131 kcal
1 serving (medium)	60 g	174 kcal
1 piece (medium)	90 g	261 kcal
100 g	100 g	290 kcal

Calculated from 290 calories per 100 g.

Frequently Asked Questions About Banana bread (very thin slice)

Is banana bread really bread, or is it cake?

Banana bread is a quick bread, not a yeast-raised loaf. It is mixed and baked in a loaf pan, but its sweet flavor and tender, cake-like crumb make it seem more like cake than traditional bread.

Can you make banana bread with frozen bananas?

Yes, thaw frozen bananas before using them in banana bread, and include their liquid for a moist loaf. Mash the bananas well; if they release a lot of liquid, avoid adding extra liquid elsewhere in the recipe.

Why doesn’t banana bread taste strongly of banana?

Banana bread can taste mild when the bananas are underripe or when the recipe contains lots of flour and other strong flavors. Use very ripe bananas and mash them thoroughly to spread their flavor through the batter.

How do you know when banana bread is done?

Banana bread is done when a skewer inserted near the center comes out without wet batter clinging to it. The top should look set, but a few moist crumbs on the skewer are normal; let the loaf cool before slicing.

Can you make banana bread without eggs?

Yes, you can make banana bread without eggs by using a tested egg-free recipe or a suitable binder such as mashed banana or applesauce. These swaps can make the loaf denser, so simply leaving the eggs out usually will not work.

How do you keep banana bread moist?

To keep banana bread moist, measure the flour accurately, avoid overmixing, and take the loaf out once its center is baked. Let it cool completely, then store it in an airtight container so it does not dry out.

Can you use frozen bananas for banana bread without thawing them first?

No, thaw frozen bananas before mixing them into banana bread. Frozen fruit is difficult to mash evenly, and its released liquid can throw off the batter; thawing lets you combine the bananas and their juices properly.

What is the difference between banana bread and banana cake?

Banana bread is usually baked as a loaf and served in slices, while banana cake is often lighter and may have frosting. The ingredients can overlap, so the texture and serving style—not a single fixed recipe—usually distinguish them.

Can you reduce the sugar in banana bread?

Yes, you can reduce the sugar in banana bread, especially when using very ripe bananas. Sugar also affects moisture and browning, so a large reduction may change the loaf’s texture as well as its sweetness.

Why does banana bread sink in the middle?

Banana bread often sinks when its center is underbaked, the batter is overmixed, or the leavening is out of balance. Check the center before removing the loaf, and avoid opening the oven repeatedly while it bakes.

Banana bread (very thin slice) Vitamins & Minerals

Vitamins

0.02mg · 2% DV

0.01mg · 1% DV

0.02mg · 1% DV

Biotin

0.3µg · 1% DV

Minerals

Sodium

46mg · 2% DV

Manganese

0.04mg · 2% DV

Copper

0.01mg · 1% DV

Phosphorus

10mg · 1% DV

Potassium ⭐

22mg · 1% DV

Banana bread (very thin slice) Glycemic Index

GLYCEMIC INDEX

Medium

0 Low5570100

GLYCEMIC LOAD

4.8

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Banana bread (very thin slice)

To burn the 58 calories in 1 slice (thin) (20 g):

🚶

14min

Walking (5 km/h)

🏃

6min

Running (8 km/h)

🚴

8min

Cycling

🏊

7min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Banana bread (very thin slice)?

Banana bread is a sweet, loaf-shaped quick bread made with mashed ripe bananas, flour, eggs, sugar and a raising agent. It became especially popular in the United States, where it is a familiar way to bake with bananas that have become very ripe. Despite its name, it is closer to a moist cake than to an everyday yeast-risen loaf.

Its soft, tender crumb and sweet banana flavour suit breakfast, an afternoon snack or a cup of tea or coffee; a very thin slice makes a small treat. It is mainly a carbohydrate-rich baked good, with relatively little protein and fibre, and provides 290 calories per 100 g. Enjoy it plain, or pair it with unsweetened yoghurt rather than adding another sweet topping.

How Nutritious Is Banana bread (very thin slice)?

Nutrient density

Low

22/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

26/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Banana bread (very thin slice) Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Banana bread (very thin slice) Contain Allergens?

Contains these allergens:

Gluten yes

Dairy free

Eggs yes

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Banana bread (very thin slice) Good For?

Vegan

— Not suitable

Vegetarian

— Not suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Banana bread (very thin slice) Fat Profile

SATURATED

0.34g

MONOUNSATURATED

0.5g

POLYUNSATURATED

0.34g

⚖️

Omega 6:3 ratio 32:1

Above the ideal 4:1 (32:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 30, 2026

Banana bread (very thin slice) Calories

Quick answer

Banana bread (very thin slice) Nutrition Facts

Banana bread (very thin slice) nutrition facts table.css-c5434f{font-weight:500;color:#979797;} · 1 slice (thin) (20 g)

How Many Calories in 1 Slice of Banana bread (very thin slice)?

Frequently Asked Questions About Banana bread (very thin slice)

Is banana bread really bread, or is it cake?

Can you make banana bread with frozen bananas?

Why doesn’t banana bread taste strongly of banana?

How do you know when banana bread is done?

Can you make banana bread without eggs?

How do you keep banana bread moist?

Can you use frozen bananas for banana bread without thawing them first?

What is the difference between banana bread and banana cake?

Can you reduce the sugar in banana bread?

Why does banana bread sink in the middle?

Banana bread (very thin slice) Vitamins & Minerals

Banana bread (very thin slice) Glycemic Index

How to Burn Off Banana bread (very thin slice)

What is Banana bread (very thin slice)?

How Nutritious Is Banana bread (very thin slice)?

Nutrient density

Satiety score

Is Banana bread (very thin slice) Processed?

Does Banana bread (very thin slice) Contain Allergens?

Which Diets Is Banana bread (very thin slice) Good For?

Banana bread (very thin slice) Fat Profile

Compare Banana bread (very thin slice)

Foods Similar to Banana bread (very thin slice)

Have another question about Banana bread (very thin slice)?

Banana bread (very thin slice) nutrition facts table · 1 slice (thin) (20 g)