Banana Cake Recipe With Chocolate Chips and Walnuts: Moist Crumb and Nutty Chocolate Bursts

This banana cake recipe delivers a moist, tender crumb packed with rich chocolate chips and crunchy walnuts—perfect for satisfying that sweet tooth without sacrificing texture. 💛 The secret lies in ripe bananas and a precise balance of butter and oil, ensuring every slice stays soft and flavorful.

I developed this version after years of testing, and it consistently receives rave reviews for its perfect combination of sweet, nutty, and chocolatey layers.

The recipe begins with a simple batter that comes together in just 10 minutes, but the magic happens during the 35-minute bake at 350°F. The walnuts toast slightly in the oven, adding depth, while the chocolate chips stay melty and gooey.

Unlike many banana cakes that dry out, this version stays moist for days, making it ideal for meal prep or gifting.

What you’ll end up with is a cake that’s rich yet not overly sweet, with pockets of chocolate and walnut in every bite. The aroma alone will have everyone heading to the kitchen, and the texture—tender yet sturdy enough for slicing—makes it a crowd-pleaser.

Serve warm with a scoop of vanilla ice cream or dusted with powdered sugar for an elegant touch.

For variations, try adding a swirl of cream cheese frosting or a sprinkle of sea salt on top to enhance the flavors. The recipe also works well with vegan substitutions if needed—just swap the butter for coconut oil and use flax eggs. Let’s get baking!

Ingredients for banana cake recipe with chocolate chips and walnuts

Ripe bananas, rich butter, and crunchy walnuts create this crowd-pleasing cake with perfect moisture and texture.

The bananas are the star here—look for ones with black spots and soft spots, not mushy. Whole Foods or Trader Joe's usually have the riper ones, but any grocery store works if you pick the right ones. The walnuts should be fresh—check the package date or buy them in bulk at Costco for better quality. For the chocolate chips, Ghirardelli semi-sweet is my go-to, but any quality brand works. The butter and oil combo keeps this cake moist longer than recipes with just one fat—trust me on the full-fat version.

No ripe bananas? Use 1/4 cup applesauce per banana (so 3/4 cup total) but expect a slightly denser texture. Short on walnuts? Pecans or hazelnuts work too, though the flavor changes. The baking powder and baking soda are a team—don't skip either. For a vegan version, swap the butter for melted coconut oil and the eggs for 2 flax eggs (2 tbsp ground flaxseed + 6 tbsp water). The chocolate chips can be subbed with chopped chocolate bars if you're feeling fancy—just chop them yourself for better quality.

Store leftovers in an airtight container at room temperature for 3 days or in the fridge for 5 days. The texture stays best when refrigerated, but it reheats beautifully in the oven at 300°F for 10 minutes. For gifting, wrap individual slices in parchment paper and tie with twine. The cake freezes well too—wrap the whole cake in plastic wrap, then foil, for up to 3 months. I always make a double batch because it disappears fast.

Step-by-step instructions for banana cake with chocolate chips and walnuts

Here's how to create a perfectly moist banana cake with rich chocolate bursts and crunchy walnuts.

Mash the 3 large ripe bananas in a large mixing bowl until completely smooth. I like to use a fork first, then a hand mixer for about 1 minute to ensure no lumps remain. The mashed bananas should be thick and uniform—this forms the moist base of your cake.

In a separate small bowl, whisk together the 1.5 cups granulated sugar, 1 cup unsalted butter (softened), 0.5 cup vegetable oil, 2 whole large eggs, 1 tsp vanilla extract, 1 tsp baking soda, 1 tsp baking powder, and 0.5 tsp salt. The butter should be room temperature so it blends smoothly into the mixture.

Pour the wet ingredients into the mashed bananas and mix on low speed for 30 seconds until just combined. Overmixing develops gluten, which can make the cake dense. Stop mixing as soon as everything is incorporated—you'll still see some streaks of flour.

Using a silicone spatula, gently fold in the 1.5 cups chocolate chips and 1 cup chopped walnuts into the batter. I like to do this by hand to ensure even distribution—no need to mix vigorously. The chocolate chips should be evenly dispersed throughout, and the walnuts should be scattered in clusters for texture.

Here's the thing—don't skip the walnut toasting step if you haven't already. Toasting enhances their flavor and prevents them from becoming soggy. If you toasted them earlier, you'll notice their rich aroma when folding them in. If you haven't, quickly toast them in a dry pan for 3-4 minutes until fragrant before adding.

Preheat your oven to 350°F. Grease two 9-inch round cake pans or one 9x13-inch baking pan thoroughly with butter or baking spray. I prefer the round pans for a classic presentation, but the sheet pan works well for a single-layer cake.

Line the bottoms of the pans with parchment paper circles cut to fit, then lightly grease the paper. This prevents sticking and makes removal easier. The pans should be ready to go when your oven reaches temperature—no waiting once the batter is mixed.

Divide the batter evenly between the prepared pans. If using round pans, fill them about ⅔ full. Tap the pans gently on the counter to release any air bubbles that may have formed during mixing. This ensures an even rise and a smooth top.

Place the pans in the center rack of your preheated oven and bake for 30-35 minutes for round pans or 40-45 minutes for the sheet pan. You'll know it's done when a toothpick inserted into the center comes out clean or with just a few moist crumbs.

Watch for the edges to turn golden brown and the top to develop a slightly cracked surface. This is normal and indicates the cake is baking properly. If the top browns too quickly, tent the pans loosely with aluminum foil to prevent over-browning while allowing steam to escape.

Remove the cake from the oven and let it cool in the pans for 10 minutes. This allows the cake to set slightly before transferring. Run a sharp knife around the edges to loosen it from the pan, then invert onto a wire rack to cool completely.

I know it's tempting to slice into warm cake, but resist! Letting it cool completely preserves that moist texture. The cake should be warm to the touch but not hot. Once fully cooled, slice into 8 equal servings and serve with a dusting of powdered sugar or a dollop of whipped cream.

Perfect pairings for this banana cake recipe with chocolate chips and walnuts

Creamy Ice Cream

Vanilla bean ice cream is the classic pairing for this banana cake. The cool, creamy texture contrasts beautifully with the warm cake, and the vanilla flavor complements the natural sweetness of the bananas. I recommend Breyer’s vanilla ice cream for its rich, smooth consistency.

For a lighter option, try Häagen-Dazs vanilla bean—its swirls of real vanilla bean add an extra layer of flavor. Serve a scoop alongside each slice for a decadent dessert experience. 🍦

Caramel Drizzle

Add a luxurious touch with a homemade caramel drizzle. Heat ½ cup granulated sugar in a saucepan over medium heat until melted, then whisk in ¼ cup heavy cream and 2 tablespoons butter.

Simmer for 3-4 minutes until thickened, then drizzle over the cake before serving. The salty-sweet contrast elevates every bite. For convenience, Trader Joe’s caramel sauce works perfectly too.