Directions:

* (1 cup milk+1 tsp vinegar mixed together may be substituted here) 1- Blend sugar and margarine; add cocoa and egg yolks.
2- Alternately add buttermilk and flour.
3- Beat egg whites, add vanilla and blend into mixture.
4 a Pour into a greased and floured 13x9-inch baking pan -OR- 4 b Pour into two 8" or 9" diamter cake pans lined with wax paper.
SURPRISE FILLING 8 oz (1 pckg) cream cheese, softened 0.
5 c sugar 1 egg 1 dash salt 0.
5 c semi-sweet chocolate chips 1- Blend cream cheese, sugar, egg and salt.
2- Stir in chocolate chips.
3- Drop by teaspoonfuls over cake batter in pan.
4- Bake at 350 F for 30-40 minutes.
Cake is done when it leaves side of the pan.
To make cupcakes, fill paper baking cups 2/3 full with batter, then drop 1 teaspoon Surprise Filling on top of each.
Bake at 350 F for 25-30 minutes.
Makes 30-32 cupcakes.