"Making ooey, gooey brookies for dessert is easier than ever when you start with Betty Crocker™ chocolate chip cookie and brownie mixes...."
INGREDIENTS
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1 box (1 lb 2.4 oz) Betty Crocker™ Original Supreme Premium brownie mix
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Water, vegetable oil and egg called for on brownie mix box
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1 pouch (1 lb 1.5 oz) Betty Crocker™ chocolate chip cookie mix
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1/2 cup butter or margarine, softened
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1 egg
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1 container Betty Crocker™ Rich & Creamy chocolate frosting, if desired