White Cake

1/2 cup margarine
1 1/4 cups sugar
2 eggs
1 tsp. vanilla
2 cups flour
3 tsp. baking powder
1/2 tsp. salt
1 cup milk

Cream margarine and sugar. Add eggs one at a time, beating well after each egg. Stir in vanilla. Add sifted dry ingredients alternately with milk. Blend well. Pour into greased 9x13 pan. Bake at 350 degrees for 25-30 minutes.