Instructions:

1. Preheat oven: Preheat the oven to 325°F (165°C). Lightly grease a 9×13-inch baking pan and set it aside.
2. Prepare the cake batter: Using an electric mixer, cream together the softened butter and creamy peanut butter until well incorporated. Add the eggs, cake mix, and water, then beat on medium speed for two minutes until smooth.
3. Bake the cake: Pour the batter into the prepared baking dish and spread it out evenly. Bake for approximately 40 minutes or until a toothpick inserted into the center comes out clean.
4. Cool the cake: Allow the cake to cool completely in the pan before frosting.
5. Prepare the frosting: In a separate bowl, cream together the softened butter and creamy peanut butter until smooth. Add the confectioners’ sugar, vanilla extract, salt, and 2 tablespoons of milk. Continue to mix until the frosting is fluffy and well combined. If the frosting is too thick, gradually add more milk, one tablespoon at a time, until reaching the desired consistency.
6. Frost the cake: Once the cake has cooled, spread the frosting evenly over the top.
7. Serve and enjoy: Slice the cake into squares and serve. Enjoy the delicious combination of peanut butter goodness in every bite!

This Peanut Butter Sheet Cake with Peanut Butter Frosting is a delightful treat that’s perfect for any occasion, from family gatherings to potlucks. Its simplicity and rich flavor make it a standout dessert that everyone will love.