Description
A soft, moist old-fashioned peanut butter sheet cake topped with a warm, pourable peanut butter icing that melts into every bite for a rich, nostalgic dessert everyone loves.
Ingredients
- 2 cups all-purpose flour
- 2 cups granulated sugar
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup unsalted butter
- 1 cup creamy peanut butter
- 1 cup water or milk
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/2 cup unsalted butter (icing)
- 1/2 cup creamy peanut butter (icing)
- 1/3 cup milk (icing)
- 4 cups powdered sugar
- 1 teaspoon vanilla extract (icing)
Instructions
- Preheat the oven to 350°F and grease a 10 x 15 inch sheet pan.
- In a large bowl, whisk together flour, sugar, baking soda, and salt.
- In a saucepan, heat butter, peanut butter, and water or milk until melted and smooth.
- Pour the hot mixture over the dry ingredients and stir until combined.
- Add eggs and vanilla and mix until smooth.
- Spread batter evenly in the prepared pan.
- Bake for 20 to 25 minutes until a toothpick comes out clean.
- In a saucepan, heat icing butter, peanut butter, and milk until smooth.
- Remove from heat and whisk in powdered sugar and vanilla until pourable.
- Pour warm icing over the hot cake and spread gently.
- Allow cake to cool before slicing and serving.
Notes
Pour the icing over the cake while both are warm for the best texture. Store covered to keep the cake moist.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American