1/4 cup shortening
1/4 butter
1/4 cup peanut butter
1/4 sugar
1/4 brown sugar
1 egg
1 1/4 cup flour
1/2 tsp baking powder
3/4 teaspoon baking soda
1/4 tsp salt
Combine shortening, butter, peanut butter, sugars and egg. Add flour, baking powder, baking soda and salt. Chill batter approximately 1 hour. Shape into 1" balls and place on baking sheet. Flatten balls with fork, making a criss-cross pattern. Bake at 375º for 10-12 minutes.