Moist Cupcakes - cooking recipe

Ingredients

1/2 c. butter
1 c. sugar
2 egg yolks
1 3/4 c. flour
1 1/2 tsp. baking powder
1/4 tsp. salt
2/3 c. milk
1 tsp. vanilla
2 egg whites, beaten

Preparation

Cream butter and sugar well.
Sift dry ingredients together and add alternately with milk and vanilla.
Fold egg whites in last and bake at 350\u00b0 for 25 to 30 minutes.