Ingredients

• 1 , 18 ounce
• 0.5 cups vegetable oil
• 0.25 cups water
• 2 eggs
• 0.33 cups flour
• 0.25 teaspoons baking powder
• 0.13 teaspoons salt
• 0.5 cups crunchy peanut butter
• 0.38 cups brown sugar
• 2 tablespoons butter , softened
• 1 egg
• 0.5 teaspoons vanilla extract
• 0.25 cups butter
• 4 cups miniature marshmallows
• 3.5 cups crispy rice cereal , such as Rice Krispies®

Instructions

1. 1 Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.
2. 2 Beat brownie mix, vegetable oil, water, and 2 eggs in a bowl until batter is smooth.
3. 3 Whisk flour, baking powder, and salt together in a small bowl.
4. 4 Beat peanut butter, brown sugar, and 2 tablespoons butter together in another bowl with an electric mixer until light and creamy. Beat 1 egg and vanilla into peanut butter mixture until fluffy. Stir flour mixture into peanut butter mixture until just blended.
5. 5 Pour brownie batter in the prepared baking dish. Drop peanut butter mixture by small spoonfuls over the brownie batter.
6. 6 Bake brownies in the preheated oven until a toothpick inserted in the center of the brownies comes out clean, about 30 minutes; cool.
7. 7 Melt 1/4 cup butter in a large saucepan over medium heat; add marshmallows and stir until marshmallows are melted. Cook mixture until butter and marshmallow flavors are combined, about 2 minutes; remove from heat.
8. 8 Spread 1/3 the marshmallow mixture over the cooled brownies. Stir crispy rice cereal into remaining 2/3 the marshmallow mixture; press in an even layer on top of the brownies. Refrigerate until set, about 15 minutes; cut into squares.

Nutrition per serving