Super Moist Chocolate Chip Banana Bread

This Super Moist Chocolate Chip Banana Bread is the loaf that ruins all other banana bread for you — deeply banana-forward, tender enough to pull apart rather than slice cleanly, and loaded with chocolate chips that melt into pockets of richness throughout every slice. It’s the recipe worth keeping on rotation every time a bunch of bananas starts going spotty on the counter.

The moisture comes from three things working together: very ripe bananas with plenty of natural sugar and water content, sour cream which adds fat and acid that tenderizes the crumb, and a combination of oil and butter that covers both flavor and staying-moist-for-days. Remove any one of those three elements and you get a good banana bread. Keep all three and you get the one people ask you to make again.

It also gets meaningfully better overnight — the flavors deepen, the crumb settles into something almost fudgy, and the chocolate chips set back into pockets that hold their shape when sliced. Make it the night before if you can.

Jump to Recipe

Why This Banana Bread Every Other Version You’ve Tried

Most banana bread recipes use either butter or oil, not both. Butter gives flavor and oil gives moisture that stays through to day three — using both means you don’t have to choose between a loaf that tastes great fresh and one that’s still good two days later.

And sour cream, not buttermilk, not plain yogurt alone — the fat content in sour cream is what makes the difference between a moist crumb and a truly tender, almost custardy one.

• Prep Time: 15 minutes
• Cook Time: 55 to 65 minutes
• Total Time: 1 hour 15 minutes, plus cooling time
• Yield: 1 standard loaf (8×4 inch), about 10 slices

Everything That Goes Into the Batter

• Very ripe bananas, mashed: 3 large (about 1 1/4 cups mashed)
• All-purpose flour: 1 3/4 cups (220g)
• Baking soda: 1 teaspoon
• Fine sea salt: 1/2 teaspoon
• Ground cinnamon: 1/2 teaspoon
• Unsalted butter, melted and slightly cooled: 1/4 cup (56g)
• Neutral oil (vegetable or canola): 1/4 cup (60ml)
• Light brown sugar, packed: 3/4 cup (150g)
• Granulated sugar: 2 tablespoons
• Large eggs: 2
• Full-fat sour cream: 1/3 cup (80g)
• Pure vanilla extract: 2 teaspoons
• Semi-sweet chocolate chips: 1 cup (170g), divided

From Bananas to Baked Loaf

1. Preheat the oven to 325°F (165°C) — lower than most loaf recipes use, and intentionally so, since the lower temperature bakes the center through slowly without burning the outside before the middle sets.
2. Grease an 8×4 inch loaf pan well with butter or non-stick spray, then line it with a strip of parchment paper that hangs over the long sides to make the finished loaf easy to lift out.
3. Mash the bananas thoroughly in a large bowl with a fork until almost no large chunks remain — a few small lumps are fine but the base should be mostly smooth so the banana flavor distributes evenly through every slice.
4. Whisk the melted butter, oil, brown sugar, and granulated sugar into the mashed banana until combined.
5. Add the eggs one at a time, whisking well after each, then stir in the sour cream and vanilla extract.
6. Sift the flour, baking soda, salt, and cinnamon directly over the wet ingredients.
7. Fold with a spatula until the flour just disappears — 12 to 15 gentle folds maximum, no more. The batter should look slightly lumpy and that is correct.
8. Fold in 3/4 cup of the chocolate chips with two or three additional strokes, leaving the remaining 1/4 cup to scatter over the top.
9. Pour the batter into the prepared pan, smooth the surface, then scatter the reserved chocolate chips evenly over the top and press them in very lightly.
10. Bake for 55 to 65 minutes until a toothpick inserted into the center comes out with moist crumbs attached but no wet batter — a few melted chocolate streaks on the toothpick are fine and expected.
11. If the top is browning too fast before the 45-minute mark, tent loosely with a piece of aluminum foil for the remainder of the bake time.
12. Cool in the pan on a wire rack for 20 minutes before lifting out using the parchment, then cool completely on the rack before slicing — at least 1 hour, ideally longer.

Have overripe bananas but want something faster? Our Fluffy Easy Banana Pancakes use the same spotty bananas and go from bowl to table in under 20 minutes — a great weekday-morning option when you don’t have time for a full loaf.

What Actually Makes It Super Moist

The ripeness of the bananas is the most important ingredient in this entire recipe. Bananas with deep brown or black spots on the skin are not overripe in a bad way — they’re at peak moisture, peak sugar content, and peak flavor. A banana that’s still mostly yellow will give you a pale, mildly flavored loaf with noticeably less sweetness. Wait until the skin looks like it should have been thrown away already, and then use those bananas.

Baking at 325°F instead of the more common 350°F gives the center time to cook through before the outside dries out. The lower temperature is the single biggest adjustment between a loaf that’s moist all the way through and one that has a perfect exterior but a doughy or dry-edged center. According to King Arthur Baking, lower baking temperatures for dense, high-moisture quick breads allow the heat to penetrate more gradually, reducing the risk of a set crust that traps steam and causes the center to steam-cook unevenly rather than bake through properly.

Resist cutting into the loaf while it’s still warm. Slicing too early compresses the crumb while the structure is still setting, which gives you a gummy, dense texture rather than the open, tender crumb the bread develops as it cools. An hour minimum, two hours is better, overnight is best.

Ways to Make This Loaf Your Own

Brown the butter before using it — cook it in the saucepan until the milk solids turn golden and it smells nutty, then let it cool back to room temperature before adding it to the batter. It adds a toffee-like depth to the banana flavor that makes an already great loaf noticeably more complex.

Swap half the chocolate chips for toasted chopped walnuts or pecans for the classic banana-nut-chocolate combination — the crunch of the nuts against the tender crumb and melted chocolate is genuinely one of the best texture combinations in baking.

Add a swirl of peanut butter through the top of the batter before baking — drop a few tablespoons of smooth peanut butter in dollops over the surface and drag a skewer through them once or twice. It bakes into the loaf and creates rich, nutty ribbons through every slice that pair perfectly with the chocolate chips.

If chocolate baking is your go-to, our Moistest Chocolate Mug Cake is the same deep-chocolate satisfaction in five minutes for when the craving hits and waiting an hour for a loaf to bake isn’t an option.

Nutritional Information

Nutrient	Amount Per Slice (based on 10 slices)
Calories	315 kcal
Protein	4 g
Carbohydrates	44 g
Fats	14 g

These values are estimates based on standard ingredient data divided by 10 slices. Using Greek yogurt in place of sour cream reduces the fat slightly without a noticeable change in texture.

Keeping It Fresh and Freezing for Later

Wrap the cooled loaf tightly in plastic wrap and store at room temperature for up to 4 days. The texture is best on day two after the crumb has had time to settle and the flavors have deepened, which makes this one of the few baked goods that’s genuinely worth making the night before you plan to serve it.

To freeze, slice the fully cooled loaf and wrap individual slices in plastic wrap, then seal them in a freezer bag for up to 3 months. Pull out single slices as needed and thaw at room temperature for 30 to 45 minutes, or warm in a toaster oven at 300°F for 5 to 8 minutes for a just-baked texture. Avoid the microwave for reheating — it makes the chocolate chips go hard again and the bread rubbery.

For an equally make-ahead friendly bake in the same comfort-food category, our Easy Apple Cinnamon Muffins freeze just as well slice by slice and make a great companion in the freezer for the week ahead.

Mistakes That Lead to a Dry or Dense Loaf

Using underripe bananas is the most impactful mistake and the hardest to compensate for — no amount of extra sour cream or oil will add the natural sweetness and moisture that overripe bananas contribute. If your bananas aren’t spotty yet, you can speed-ripen them by baking unpeeled bananas at 300°F for 20 minutes until the skins turn black and the flesh is soft and very sweet.

Overmixing after the flour goes in develops gluten and turns a tender quick bread into a dense, almost rubbery loaf — once the flour is added, fold as few times as it takes to make the dry streaks disappear and then stop completely. Lumpy batter is correct batter for banana bread.

Cutting into the loaf while it’s still warm is the most tempting and most damaging thing you can do — the crumb needs at least an hour to set into its final structure. A warm loaf will look and feel gummy when sliced, which is often mistaken for underbaking and leads people to put it back in the oven unnecessarily when all it needed was time to cool.