Ingredients
Instructions
- Preheat oven to 350 degrees F.
- Grease the bottom of a 13 x 9 x 2-inch baking pan.
- BATTER: In bowl, beat together oil, water, and eggs.
- Stir in brownie mix until ingredients are moist.
- Spread batter into prepared pan.
- FILLING: In bowl, cream together peanut butter, oil, sugar, flour, eggs, and vanilla extract.
- Carefully spread filling over batter, using a rubber spatula, cut filling into batter creating a marble effect throughout the batter.
- Bake for 40 minutes.
- DO NOT OVERBAKE!
- FROSTING: In medium bowl, cream together frosting and peanut butter.
- Spread frosting over brownies immediately after baking or after completely cooling.