Description
Indulge in the nostalgic flavors of a classic Old-Fashioned Peanut Butter Cake with rich, creamy peanut butter frosting. This moist and decadent sheet cake is perfect for any occasion, from weeknight treats to special celebrations.
Ingredients
Scale
For the cake:
- 2 cups all-purpose flour
- 1 cup granulated sugar
- 1 cup light brown sugar, packed
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, softened
- 1/2 cup creamy peanut butter
- 1 cup whole milk
- 2 large eggs
- 1 teaspoon vanilla extract
For the peanut butter frosting:
- 1/2 cup creamy peanut butter
- 1/4 cup unsalted butter, softened
- 2 cups powdered sugar
- 1/4 cup milk (plus more as needed)
- 1 teaspoon vanilla extract
- pinch of salt
Instructions
- Preheat the oven: Preheat the oven to 350°F and grease a 9×13-inch baking pan.
- Mix dry ingredients: In a large mixing bowl, whisk together the flour, sugars, baking powder, baking soda, and salt.
- Add wet ingredients: Incorporate the butter, peanut butter, and milk. Beat until smooth.
- Beat in eggs and vanilla: Add eggs and vanilla extract, beat until light and fluffy.
- Bake: Pour batter into the pan and bake for 35–40 minutes or until a toothpick comes out clean.
- Make frosting: Cream peanut butter and butter, add powdered sugar, milk, vanilla, and salt. Beat until smooth.
- Frost the cake: Spread frosting evenly over the cooled cake.
Notes
- For added flair, top with chopped roasted peanuts or a drizzle of chocolate.
- Store leftovers covered at room temperature for up to 3 days or refrigerate for longer freshness.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 460
- Sugar: 36g
- Sodium: 280mg
- Fat: 24g
- Saturated Fat: 9g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 55g
- Fiber: 2g
- Protein: 7g
- Cholesterol: 55mg
