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Export 3 ingredients for grocery delivery
Step 1
Preheat oven to 350 degrees F (175 degrees C). Lightly grease a 9x13-inch baking dish.
Step 2
Blend black beans and water together in a blender until smooth; pour into a bowl. Stir brownie mix into black bean mixture until batter is smooth; fold in 1/2 cup chocolate chips. Pour batter into prepared baking dish. Sprinkle remaining 1/2 cup chocolate chips over batter.
Step 3
Bake in the preheated oven until a toothpick inserted 2 inches from the side of the pan comes out clean, 25 to 27 minutes. Cool brownies completely on a wire rack before cutting into squares.