Chocolate Roll-Up

Directions

1. 1
   Beat whites, cream of tartar and vanilla until stiff, but not dry.
2. 2
   Gradually beat in 1/2 cup sugar.
3. 3
   Beat yolks until thick and lemon colored.
4. 4
   Sift remaining ingredients; fold into yolks until blended.
5. 5
   Fold yolks into whites.
6. 6
   Line a 15 1/2 x 10 1/2-inch jelly roll pan with waxed paper; grease.
7. 7
   Spread batter in pan. Bake in slow oven (325°) for about 25 minutes.