Chocolate Peanut Butter Brownies

• 1 (17 5/8 ounce) box brownie mix
• 1/4 cup water
• 1/4 cup oil
• 1 egg
• PEANUT BUTTER LAYER
• 1 cup peanut butter
• 3 tablespoons butter, melted
• 1 tablespoon flour
• 1 teaspoon vanilla
• 1 egg
• frosting (optional)
• 1 cup chocolate chips
• 1 tablespoon butter

1. Prepare brownie mix according to instructions on box. Pour one-half of mixture into a greased 7 x 11 baking pan.
2. Mix all ingredients for peanut butter layer. Spoon mixture evenly over one-half of brownie mixture forming a layer. (If mixture is too thick to spread, add one tablespoon of milk.).
3. Pour remaining brownie mix batter over and spread evenly.
4. Bake in a 350 degree oven for 30 minutes.
5. For Optional frosting: Melt chocolate chips and butter in microwave just until almost melted. Remove and immediately spread on top of brownies. Place in refrigerator for quicker cooling before cutting into bars.
6. Enjoy!

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Taken from www.food.com/recipe/chocolate-peanut-butter-brownies-311445 (may not work)