Compliments follow this dessert recipe everywhere it goes: moist, airy, refreshing, sweet. And might we add, easy.   Strawberry Swirl Cake Ingredients 1 pkg. (2-layer size) white cake mix 1 pkg. (3 oz.) JELL-O Strawberry Flavor Gelatin 2/3 cup BREAKSTONE'S or KNUDSEN Sour Cream 2/3 cup powdered sugar 1 tub (8 oz.) COOL WHIP Whipped