Springtime Tea Cakes - cooking recipe

Ingredients

3 c. sifted cake flour
4 tsp. baking powder
1/4 tsp. salt
3/4 c. butter or margarine
1 1/2 c. sugar
1 1/2 tsp. vanilla
1 c. plus 2 Tbsp. milk
4 egg whites
Buttercream Frosting
silver candies

Preparation

Grease bottom of 15 x 10 x 1-inch jelly roll pan; line with waxed paper and grease paper.
Cream butter until soft in large bowl; add sugar gradually, beating after each addition until mixture is fluffy.
Stir in vanilla.
Measure cake flour, baking powder and salt into sifter.
Sift and add dry ingredients alternately with milk, blending until smooth after each addition.