Chocolate Peanut Butter Cookies

1 cup sifted all-purpose flour
1 tsp. baking powder
1/4 tsp. baking soda
1/4 tsp. salt
3 Tbsp. cocoa
2 Tbsp. shortening
1 cup sugar
1 egg
1/4 cup milk
1/2 cup peanut butter

Sift together flour, baking powder, soda and salt; mix in cocoa. Beat together shortening, sugar and egg; then stir in peanut butter. Gradually stir in flour, alternating with milk. Drop by teaspoon on greased baking sheet, press down with fork dipped in cold water. Bake at 375 degrees for about 15 minutes.