Yesss 😍 Peanut Butter Cake is rich, soft, and dangerously good. Here’s a simple, super-moist peanut butter cake that works as a sheet cake or layer cake.
Peanut Butter Cake
Ingredients
Cake
- 1¾ cups all-purpose flour
- 1½ cups sugar
- 1 tsp baking soda
- ½ tsp salt
- ½ cup unsalted butter
- ½ cup creamy peanut butter
- 1 cup milk
- 2 large eggs
- 1 tsp vanilla extract
Peanut Butter Frosting
- ½ cup unsalted butter, softened
- ½ cup creamy peanut butter
- 3–4 cups powdered sugar
- 3–4 tbsp milk or cream
- 1 tsp vanilla extract
Instructions
Make the Cake
- Preheat oven to 350°F (175°C). Grease a 9×13-inch pan or two 8-inch round pans.
- In a large bowl, whisk flour, sugar, baking soda, and salt.
- In a saucepan, melt butter and peanut butter together with milk. Heat until smooth (don’t boil).
- Pour hot mixture over dry ingredients and mix well.
- Add eggs and vanilla; beat until smooth.
- Pour batter into pan and bake 30–35 minutes (25–30 for round pans).
Make the Frosting
- Beat butter and peanut butter until fluffy.
- Gradually add powdered sugar.
- Mix in milk and vanilla until smooth and spreadable.
Finish
- Frost once cake is completely cooled.
- Optional: sprinkle chopped peanuts or drizzle melted chocolate on top.
Tips & Variations
- Extra rich: Swirl chocolate chips into the batter.
- Southern-style: Serve warm with vanilla ice cream.
- Cupcakes: Bake 18–22 minutes.
This cake stays moist for days and honestly gets better overnight 😌
Want a chocolate peanut butter poke cake or a 3-ingredient peanut butter cake next?
