package Betty Crocker SuperMoist white cake mix
Water, vegetable oil and egg whites as called for in cake mix directions
package (4 serving size) strawberry or raspberry flavored gelatin
cup boiling water
cup cold water
container of 8 oz. Cool Whip
Fresh strawberries or raspberries, if desired
Heat oven to 350 degrees. Make cake as directed on box for 13x9 inch pan. Cool completely, about 1 hour. Poke cake all over with fork. In small bowl, stir gelatin and boiling water until dissolved; stir in cold water. Pour over cake. Run knife around sides of pan to loosen cake. Refrigerate 2 hours. Spread Cool Whip over top of cake; garnish with berries. Store covered in refrigerator.