Name: Banana Cupcakes with Chocolate Peanut Butter Frosting
Prep time: 30 min
Cook time: 18 min
Total time: 230 min
Ingredients: 1/2 cup unsalted butter, softened to room temperature ((8 Tbsp; 113g)); 1/2 cup packed light or dark brown sugar ((100g)); 3/4 cup granulated sugar ((150g)); 3 large eggs, at room temperature; 1 and 1/2 cups mashed bananas ((about 4 medium or 3 large ripe bananas; 345g)); 2 teaspoons pure vanilla extract; 2 cups all-purpose flour ((spooned & leveled; 250g)); 1 teaspoon baking soda; 1/2 teaspoon ground cinnamon; 1 teaspoon salt; 1/2 cup buttermilk ((120ml)); 1 cup mini or regular semi-sweet chocolate chips ((180g)); 1 and 3/4 cups confectioners’ sugar ((210g)); 1/4 cup unsweetened cocoa powder ((21g)); 1/2 cup unsalted butter, softened to room temperature ((8 Tbsp; 113g)); 2 Tablespoons heavy cream or half-and-half ((30ml)); 1 teaspoon pure vanilla extract; salt, to taste; 3/4 cup creamy peanut butter ((185g)); 1/4 cup unsalted butter, softened to room temperature ((4 Tbsp; 56g)); 3/4 cup confectioners’ sugar ((90g)); 1 teaspoon pure vanilla extract; 3 Tablespoons heavy cream or half-and-half ((45ml))

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These Banana Cupcakes with Chocolate Peanut Butter Frosting are a dreamy blend of moist, tender crumb and rich, indulgent topping. The natural sweetness of ripe bananas pairs perfectly with the creamy, nutty frosting, creating a harmony of flavors that’s impossible to resist. In just 30 minutes of prep and 18 minutes of baking, you’ll have a batch of 18 cupcakes that are as delightful to look at as they are to eat.

The soft, fluffy texture of the cupcakes contrasts beautifully with the smooth, velvety frosting, making every bite a sensory delight. Whether you’re treating yourself or sharing with friends, these cupcakes are a guaranteed crowd-pleaser. With a total time of under four hours, including cooling, you’ll have a dessert that’s both effortless and unforgettable.

Ingredients for Banana Cupcakes with Chocolate Peanut Butter Frosting

Banana Cupcakes with Chocolate Peanut Butter Frosting Ingredients

Cupcakes:
1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
1/2 cup (100g) packed light or dark brown sugar
3/4 cup (150g) granulated sugar
3 large eggs, at room temperature
1 and 1/2 cups (345g) mashed bananas (about 4 medium or 3 large ripe bananas)
2 teaspoons pure vanilla extract
2 cups (250g) all-purpose flour (spooned & leveled)
1 teaspoon baking soda
1/2 teaspoon ground cinnamon
1 teaspoon salt
1/2 cup (120ml) buttermilk* (or substitute with 1/2 cup milk + 1/2 Tbsp lemon juice or vinegar)
1 cup (180g) mini or regular semi-sweet chocolate chips
Milk Chocolate Frosting:
1 and 3/4 cups (210g) confectioners’ sugar
1/4 cup (21g) unsweetened cocoa powder
1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
2 Tablespoons (30ml) heavy cream or half-and-half* (or substitute with milk)
1 teaspoon pure vanilla extract
Salt, to taste
Peanut Butter Frosting:
3/4 cup (185g) creamy peanut butter
1/4 cup (4 Tbsp; 56g) unsalted butter, softened to room temperature
3/4 cup (90g) confectioners’ sugar
1 teaspoon pure vanilla extract
3 Tablespoons (45ml) heavy cream or half-and-half* (or substitute with milk)
Salt, to taste

Step-by-Step Instructions

Preheat the oven: Preheat oven to 350°F (177°C). Line two 12-count muffin pans with 18 cupcake liners. Set aside.
Make the cupcake batter: Using a handheld or stand mixer fitted with a paddle attachment, beat the butter, brown sugar, and granulated sugar together in a large bowl on medium speed until creamed (about 2-3 minutes). With the mixer on low speed, add the eggs one at a time, beating well after each addition. Add the mashed bananas and vanilla, beating on low speed for about 1 minute.
Combine dry ingredients: In a medium bowl, whisk together the flour, baking soda, cinnamon, and salt. Slowly add the dry ingredients to the wet ingredients in 3 additions, stirring by hand after each addition. Add the buttermilk and stir until combined. The batter will be lumpy. Fold in the chocolate chips.
Bake the cupcakes: Spoon the batter evenly into 18 cupcake liners. Fill the unused cups one-third full with water to prevent warping. Bake each batch for 17-19 minutes or until a toothpick inserted in the middle of a cupcake comes out clean. Allow to cool completely before frosting.
Make the chocolate frosting: Sift together the confectioners’ sugar and cocoa powder to remove lumps. Set aside. Using a mixer, beat the butter on medium speed until creamy (about 2 minutes). Gradually add the sifted sugar/cocoa powder alternately with the heavy cream and vanilla. Beat on low speed after each addition. Once all added, beat on high speed until creamy and combined for at least 2 minutes. Add a pinch of salt if the frosting is too sweet.
Make the peanut butter frosting: Using a mixer, beat the peanut butter and butter on medium speed until creamy and smooth (about 3 minutes). Add the confectioners’ sugar and vanilla. Mix on medium until combined. Add the cream and mix on high until creamy, at least 2 minutes. Add a pinch of salt if the frosting is too sweet.
Frost the cupcakes: Frost cooled cupcakes with a knife or piping bag/tip. If using both frostings, swirl them together for a decorative effect. Decorate with banana slices and/or more chocolate chips if desired.
Store: Store cupcakes in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 5 days. Use a cupcake carrier for storing and transporting decorated cupcakes.

Swirl It Up: Frosting Tips and Tricks

To create the stunning swirl of chocolate and peanut butter frosting, use a piping bag fitted with a large star tip. Fill one side of the bag with chocolate frosting and the other with peanut butter frosting, then pipe in a circular motion starting from the outside edge. For a simpler option, frost half the cupcake with one flavor and the other half with the second, then gently blend the edges with a knife for a marbled effect.

Storage Secrets: Keep Your Cupcakes Fresh

Store your cupcakes in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 5 days. If refrigerated, let them come to room temperature before serving for the best texture. For longer storage, freeze unfrosted cupcakes in a single layer, then thaw and frost when ready to enjoy.

Time-Saving Hacks: Streamline Your Baking

To save time, mash your bananas and measure all your ingredients the night before. Use a cookie scoop to evenly distribute the batter into the cupcake liners, and bake both pans at the same time if your oven allows. If you’re short on time, skip the swirl and choose just one frosting—double the recipe to ensure you have enough for all 18 cupcakes.

Recipe Variations: Mix It Up

For a nut-free version, replace the peanut butter frosting with a vanilla or cream cheese frosting. Swap the chocolate chips for chopped nuts or dried fruit for a different twist. If you’re feeling adventurous, add a teaspoon of espresso powder to the chocolate frosting for a mocha flavor.

Equipment Essentials: Tools for Success

A stand mixer or handheld mixer is key for creaming the butter and sugar and achieving smooth frostings. Use a sifter for the confectioners’ sugar and cocoa powder to avoid lumps. A cupcake carrier is a great investment for storing and transporting your beautifully frosted creations without smudging the designs.