1/2 c. shortening soft
1/2 c. peanut butter
1/2 c. sugar
1/2 c. brown sugar, packed
1 egg
1 1/2 c. sifted flour
1/2 tsp. baking powder
3/4 tsp. baking soda
1/4 tsp. salt
1/2 tsp. vanilla

Set oven for 375°F and lightly grease cookie sheet. Sift flour once, measure, add baking powder, soda and salt. Sift again. Mix sugars, shortening, egg and peanut butter in mixing bowl. Add the dry ingredients and mix well. Chill dough. Roll balls about the size of a quarter and place on cookie sheet. Flatten the balls with a fork dipped in flour making a crisscross design.

Bake 10 to 12 minutes. Cool on wire rack.