Low-Fat Brownies
["1 family size Duncan Hines brownie mix", "1/3 c. low-fat vanilla yogurt or 1/2 c. plain yogurt with 1 tsp. vanilla", "2 egg whites"]
["Combine box mix, yogurt and egg whites.", "Place in 9 x 13-inch pan.", "Bake for 22 to 24 minutes at 350\u00b0."]
["brownie mix", "low-fat vanilla yogurt", "egg whites"]