CAKE:

3 eggs
1 c. sugar
1/3 c. water
1 tsp. vanilla
1 c. flour
1 tsp. baking powder
1/4 tsp. salt
7 tsp. cocoa

FILLING:

Either ice cream or Cool Whip

Use jelly roll pan (15 1/2 x 10 1/2). Line with waxed paper. Whisk above ingredients until well blended. Pour into lined pan. Bake at 375 degrees for 12 to 15 minutes. Invert cake on towel and roll (about 3 turns). Cool. Unroll, spread desired filling and re-roll. Freeze until firm.