Caramel Cake - cooking recipe

Ingredients

1 c. butter
2 c. sugar
1 c. milk or warm water
3 1/2 c. flour
2 tsp. baking powder
6 egg whites

Preparation

Cream butter and add milk or warm water.
After sifting flour 4 times, mix baking powder with it and sift into cake.
After thoroughly beating, fold in well-beaten egg whites.
Add 1 teaspoon vanilla.