Green Angel

1 pkg. angel food cake mix
1 (3 oz) pkg. lime Jell-O

Prepare cake mix as directed on pkg., folding dry jello into 1/3 of batter. Alternately spoon batters into ungreased 10 in. tube pan. Zigzag spatula through batters. Bake on lowest rack at 375 for 40-45 min. until cake springs back when lightly pressed. Turn pan upside down over funnel or bottle to cool completely. Remove from pan. Frost and garnish with lime slices. Chill.