Peanut Butter Banana Cupcake Mashup

Highlighted under: Delicious Desserts Made Simple

I absolutely love the combination of peanut butter and banana, and this recipe brings them together in a deliciously unique way! We’ve managed to create moist, fluffy cupcakes that are not too sweet but bursting with flavor. The peanut butter frosting adds a delightful creaminess, making these cupcakes an irresistible treat for any occasion. Whether it's a birthday, a casual gathering, or just a sweet craving, these cupcakes always impress. I can't wait for you to whip up this mashup in your kitchen!

Ella

Created by

Ella

Last updated on 2026-02-07T20:34:28.425Z

When I first thought of making peanut butter banana cupcakes, I couldn't decide which flavor to highlight more. Through countless experiments, I discovered that the key was to balance the sweetness of the ripe bananas with the slight saltiness of the peanut butter. The result? A cupcake that's not overly sweet but creamy and rich!

One crucial tip I learned during my baking journey is to use overripe bananas. They lend more moisture and natural sweetness to the batter, resulting in a perfect texture. Trust me, you’ll taste the difference!

You'll Love This Recipe Because

  • Rich peanut butter flavor that complements the banana perfectly
  • Moist cupcakes that stay fresh for days
  • Easy-to-make peanut butter frosting that completes the dish

Key Ingredients and Their Roles

The primary ingredients in these cupcakes are bananas and peanut butter, both of which contribute significantly to the overall flavor and texture. Ripe bananas not only impart natural sweetness but also keep the cupcakes incredibly moist, ensuring they remain soft even after a couple of days. Make sure to use bananas that are fully brown and soft, as this indicates they are packed with flavor. If you're out of bananas, unsweetened applesauce can serve as a nice alternative, though the flavor will be slightly different.

Peanut butter is the star of the show, adding richness and a deeper flavor profile to the cupcakes. Using creamy peanut butter helps achieve a smooth batter, as it blends seamlessly with the other wet ingredients. If you prefer a chunkier texture, opt for crunchy peanut butter, but be aware that this will alter the smoothness of the batter. No matter which type you choose, just make sure the peanut butter is at room temperature for easier mixing.

Frosting Tips for Success

The peanut butter frosting is equally important in completing this recipe. Start with softened butter for easy mixing; use a stand mixer or hand mixer to ensure the frosting becomes light and fluffy, which typically takes about 3–5 minutes. Gradually adding the powdered sugar helps prevent clouds of sugar dust and ensures a smooth, glossy finish. If the frosting turns out too thick, add a bit more milk, one teaspoon at a time, until you reach the desired consistency.

For a flavor twist, consider adding a pinch of salt or a splash of coconut milk to the frosting to balance the sweetness. If you're looking for a lighter option, you could substitute half of the butter with Greek yogurt, resulting in a frosting that's creamy but lower in fat. Remember, aesthetics matter too; pipe the frosting in a swirling pattern for an eye-catching appearance or sprinkle some crushed peanuts on top for texture.

Storage and Serving Suggestions

These cupcakes can be stored in an airtight container at room temperature for up to three days or in the refrigerator for about a week. For longer storage, you can freeze the unfrosted cupcakes for up to three months. Just make sure they are completely cool before wrapping them tightly in plastic wrap and placing them in a freezer-safe container. When you're ready to enjoy them, let them thaw at room temperature before frosting and serving.

When it comes to serving, these cupcakes can stand on their own or be dressed up with some extra flair. Pair them with a scoop of vanilla ice cream or a dollop of whipped cream for an indulgent dessert. They also make delightful gifts for friends or coworkers—just package them nicely, and they’ll be a hit. You can even customize the frosting color for themed occasions, making them perfect for birthdays or celebrations.

Ingredients

Ingredients

Gather your ingredients before starting to ensure a smooth baking experience.

For the Cupcakes

  • 1 cup all-purpose flour
  • 1/2 cup sugar
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup mashed ripe bananas (about 2 bananas)
  • 1/2 cup creamy peanut butter
  • 2 large eggs
  • 1/4 cup milk
  • 1 teaspoon vanilla extract

For the Peanut Butter Frosting

  • 1/2 cup unsalted butter, softened
  • 1 cup creamy peanut butter
  • 2 cups powdered sugar
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract

Instructions

Now, let's get to baking these delicious cupcakes!

Instructions

Steps

Preheat the Oven

Preheat your oven to 350°F (175°C) and line a cupcake pan with liners.

Mix Dry Ingredients

In a large bowl, whisk together the flour, sugar, baking powder, baking soda, and salt.

Combine Wet Ingredients

In another bowl, mix the mashed bananas, peanut butter, eggs, milk, and vanilla extract until smooth.

Combine Mixtures

Gradually add the banana mixture to the dry ingredients, stirring until just combined.

Pour and Bake

Divide the batter evenly among the cupcake liners, filling each about 2/3 full. Bake for 15 minutes, or until a toothpick comes out clean.

Make the Frosting

While the cupcakes cool, beat the softened butter and peanut butter together. Gradually mix in the powdered sugar, milk, and vanilla until smooth.

Frost the Cupcakes

Once the cupcakes are cool, frost them generously with the peanut butter frosting.

Enjoy!

Let the cupcakes set for a few minutes before serving them.

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Pro Tips

  • For an extra flavor boost, you can sprinkle some chopped peanuts on top of the frosting.

Common Troubleshooting

If your cupcakes are coming out dense, it's likely due to overmixing the batter. We want to combine the ingredients just until they are incorporated; overmixing can develop gluten in the flour, leading to a heavier texture. Make sure to gently fold in the wet ingredients to avoid this issue.

Burning the tops of your cupcakes can happen if your oven runs hot. I recommend using an oven thermometer to ensure the temperature is accurate. If you notice the tops are browning too quickly, consider placing a piece of aluminum foil over the pan halfway through baking to protect them.

Scaling the Recipe

If you want to make more or fewer cupcakes, scaling this recipe is straightforward. Each cupcake generally requires about 1/4 cup of batter. For smaller batches, you can halve the ingredients without issue. If you're looking to make a dozen cupcakes instead of the standard batch, simply double the ingredients, and keep an eye on baking time, which may require a couple of extra minutes.

When adjusting quantities, think about the mixing bowls and pans you have on hand. A larger bowl may be needed for bigger batches to ensure everything is mixed evenly, and you may want to use two cupcake pans instead of one for simplicity during the baking process.

Questions About Recipes

→ Can I use crunchy peanut butter instead of creamy?

Yes, using crunchy peanut butter will add a nice texture to the frosting!

→ How should I store leftover cupcakes?

Store them in an airtight container at room temperature for up to 3 days.

→ Can I make these cupcakes gluten-free?

Absolutely! Substitute the all-purpose flour with a gluten-free blend.

→ What can I use instead of sugar?

You can substitute sugar with honey or maple syrup, but adjust the liquids in the recipe accordingly.

Peanut Butter Banana Cupcake Mashup

I absolutely love the combination of peanut butter and banana, and this recipe brings them together in a deliciously unique way! We’ve managed to create moist, fluffy cupcakes that are not too sweet but bursting with flavor. The peanut butter frosting adds a delightful creaminess, making these cupcakes an irresistible treat for any occasion. Whether it's a birthday, a casual gathering, or just a sweet craving, these cupcakes always impress. I can't wait for you to whip up this mashup in your kitchen!

Prep Time20 minutes
Cooking Duration15 minutes
Overall Time35 minutes

Created by: Ella

Recipe Type: Delicious Desserts Made Simple

Skill Level: Intermediate

Final Quantity: 12 cupcakes

What You'll Need

For the Cupcakes

  1. 1 cup all-purpose flour
  2. 1/2 cup sugar
  3. 1/2 teaspoon baking powder
  4. 1/4 teaspoon baking soda
  5. 1/4 teaspoon salt
  6. 1/2 cup mashed ripe bananas (about 2 bananas)
  7. 1/2 cup creamy peanut butter
  8. 2 large eggs
  9. 1/4 cup milk
  10. 1 teaspoon vanilla extract

For the Peanut Butter Frosting

  1. 1/2 cup unsalted butter, softened
  2. 1 cup creamy peanut butter
  3. 2 cups powdered sugar
  4. 2 tablespoons milk
  5. 1 teaspoon vanilla extract

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and line a cupcake pan with liners.

Step 02

In a large bowl, whisk together the flour, sugar, baking powder, baking soda, and salt.

Step 03

In another bowl, mix the mashed bananas, peanut butter, eggs, milk, and vanilla extract until smooth.

Step 04

Gradually add the banana mixture to the dry ingredients, stirring until just combined.

Step 05

Divide the batter evenly among the cupcake liners, filling each about 2/3 full. Bake for 15 minutes, or until a toothpick comes out clean.

Step 06

While the cupcakes cool, beat the softened butter and peanut butter together. Gradually mix in the powdered sugar, milk, and vanilla until smooth.

Step 07

Once the cupcakes are cool, frost them generously with the peanut butter frosting.

Extra Tips

  1. For an extra flavor boost, you can sprinkle some chopped peanuts on top of the frosting.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 18g
  • Saturated Fat: 6g
  • Cholesterol: 50mg
  • Sodium: 240mg
  • Total Carbohydrates: 36g
  • Dietary Fiber: 2g
  • Sugars: 15g
  • Protein: 5g