COOL WHIP Chocolate ONE BOWL Bliss Cake What You Need! 1 pkg. (2-layer size) devil’s food cake mix 5 squares  BAKER’S Semi-Sweet Chocolate, divided 1 tub (8 oz.) plus 1-1/2 cups thawed COOL WHIP Whipped Topping, divided 1 Tbsp.  powdered sugar Make It! HEAT oven 350°F. PREPARE cake batter, in 2-1/2-qt. ovenproof bowl, as directed [...]