Preheat oven to 350 degrees Fahrenheit.
Get out your ingredients.
Combine oil, milk, eggs, and brownie mix into large bowl.
Mix all these until batter is thick.
Add a large scoop of Peanut butter, or as much as you'd like.
Add a splash of milk.
Mix again until creamy.
Spray your 13x9 pan with non-stick cooking spray.
Pour into pan.
Make sure the brownie batter is evenly spread in pan.
Bake in oven for 28-31 minutes.
- 2/3 cup of oil
- 1/4 cup of milk
- 2 eggs
- 1 box of Pillsburg Chocolate Fudge Brownie mix
- Peanut butter
- Large mixing bowl
- Cooking spray
- 13x9 pan