Description
M&M’s Peanut Butter Cake with Peanut Butter Frosting is a colorful, festive dessert perfect for birthdays, celebrations, or anytime you crave peanut butter and chocolate. This moist, rich peanut butter cake is topped with a creamy peanut butter frosting and loaded with crunchy, colorful M&M’s—making it a fun and crowd-pleasing treat.
Ingredients
- For the Cake:
- 1½ cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ¼ teaspoon salt
- ½ cup unsalted butter, room temperature
- ½ cup creamy peanut butter
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- ½ cup buttermilk
- 1 cup M&M’s, plus more for decoration
- For the Frosting:
- ½ cup unsalted butter, room temperature
- 1 cup creamy peanut butter
- 2 cups powdered sugar
- ¼ cup heavy cream
- 1 teaspoon vanilla extract
Instructions
- Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
- In a bowl, whisk together flour, baking powder, baking soda, and salt.
- Beat butter and peanut butter until creamy. Gradually add sugar and beat until fluffy.
- Add eggs one at a time, beating well. Stir in vanilla.
- Alternate adding dry ingredients and buttermilk to the wet mixture. Mix until just combined.
- Fold in M&M’s. Divide batter evenly into prepared pans.
- Bake 25–30 minutes or until a toothpick comes out clean.
- Cool cakes in pans for 10 minutes, then transfer to a wire rack.
- For frosting: Beat butter and peanut butter until creamy. Add powdered sugar gradually, then cream and vanilla. Beat until fluffy.
- Frost the top of one cake layer, stack the second layer, and frost the top and sides.
- Decorate with extra M&M’s as desired.
Notes
- Use crunchy peanut butter for added texture.
- Swap M&M’s with chocolate chips or chopped nuts.
- Try different M&M’s flavors (peanut, caramel, pretzel) for variety.
- Freeze unfrosted cake layers for up to 3 months.
