Peanut Butter Banana Cake Recipe

Peanut Butter Banana Cake Recipe

The comforting flavors of ripe bananas and creamy peanut butter come together beautifully in this Peanut Butter Banana Cake. This cake offers a moist, tender crumb infused with the natural sweetness of bananas and the rich, nutty aroma of peanut butter. It’s a perfect treat for breakfast, afternoon tea, or a wholesome dessert.

Bananas provide natural moisture and sweetness, reducing the need for excess sugar or fat, while peanut butter adds depth and a satisfying richness. The cake can be topped with a peanut butter frosting or a simple cream cheese frosting for extra indulgence.

If you love classic flavors with a twist, this cake is for you!

Ingredients

For the Peanut Butter Banana Cake:

• 1 ½ cups (190g) all-purpose flour
• 1 tsp baking powder
• ½ tsp baking soda
• ¼ tsp salt
• ½ cup (120g) unsalted butter, softened
• ¾ cup (165g) granulated sugar
• ½ cup (130g) creamy peanut butter (natural or regular)
• 2 large eggs, room temperature
• 3 ripe bananas, mashed (about 1 ¼ cups)
• 1 tsp vanilla extract
• ½ cup (120ml) buttermilk (or milk + 1 tsp lemon juice)

For the Peanut Butter Frosting (Optional):

• ½ cup (115g) unsalted butter, softened
• ½ cup (140g) creamy peanut butter
• 1 ½ cups (180g) powdered sugar, sifted
• 2–3 tbsp heavy cream or milk
• 1 tsp vanilla extract
• A pinch of salt

How to Make Peanut Butter Banana Cake

Step 1: Preheat Oven and Prepare Pan

Preheat your oven to 350°F (175°C).

Grease and flour a 9-inch round cake pan or line it with parchment paper.

Step 2: Mix Dry Ingredients

In a medium bowl, sift together flour, baking powder, baking soda, and salt.

Set aside.

Step 3: Cream Butter, Peanut Butter, and Sugar

In a large bowl, beat softened butter, peanut butter, and sugar until creamy and well combined (about 3–4 minutes).

Add eggs one at a time, beating well after each addition.

Stir in vanilla extract.

Step 4: Add Bananas and Dry Ingredients

Mix mashed bananas into the wet mixture.

Alternate adding the dry ingredients and buttermilk to the wet mixture, starting and ending with dry ingredients. Mix gently until just combined.

Step 5: Bake the Cake

Pour batter into prepared cake pan.

Bake for 40–45 minutes or until a toothpick inserted in the center comes out clean.

Let cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.

Step 6: Prepare the Peanut Butter Frosting (Optional)

Beat softened butter and peanut butter until creamy.

Gradually add powdered sugar and beat on low speed.

Add vanilla extract, salt, and enough cream/milk to achieve spreadable consistency.

Beat frosting on medium-high speed until fluffy.

Step 7: Assemble

Once cake is fully cooled, spread the peanut butter frosting evenly on top.

Optionally, garnish with chopped peanuts or banana slices.

Chef’s Notes

Banana Ripeness: Use very ripe bananas with brown spots for natural sweetness and moistness.

Peanut Butter: Creamy peanut butter works best for a smooth texture; natural peanut butter is fine but may need stirring.

Buttermilk Substitute: If you don’t have buttermilk, add 1 tsp lemon juice or vinegar to ½ cup milk and let sit for 5 minutes.

Storage: Store covered at room temperature for 1–2 days or refrigerated for up to 4 days. Bring to room temperature before serving.

Make Ahead: Cake layers can be baked a day ahead and frosted before serving.

Nutrition Information (Per slice, serves 10)

• Calories: ~350
• Total Fat: 18g
• Saturated Fat: 5g
• Carbohydrates: 40g
• Sugars: 25g
• Protein: 6g
• Fiber: 3g
• Sodium: 180mg

Approximate values may vary.

Frequently Asked Questions (FAQs)

1. Can I make this cake gluten-free?

Yes, substitute all-purpose flour with a gluten-free flour blend suitable for baking.

2. Can I use crunchy peanut butter instead of creamy?

Yes, but it will add texture to the cake and frosting.

3. How do I store leftover cake?

Keep it covered in an airtight container at room temperature for 1–2 days or refrigerated for up to 4 days.

4. Can I freeze this cake?

Yes, freeze unfrosted cake layers wrapped tightly for up to 3 months. Thaw before frosting.

5. Is this cake suitable for kids?

Definitely! It’s moist, mildly sweet, and packed with natural banana flavor and peanut butter goodness.

Enjoy this wholesome, flavorful Peanut Butter Banana Cake! If you want variations like vegan, gluten-free, or layered cake recipes, I’d be happy to help.

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