1/4 c. vegetable oil
1/2 c. peanut butter
1/2 c. brown sugar
1 egg
1 1/4 c. flour
1/2 tsp. baking powder
3/4 tsp. baking soda

Mix oil with peanut butter, sugar, and egg. Stir in remaining ingredients. Chill dough 1 to 2 hours, if you like, for easier shaping. Shape dough into walnut-size balls. Place on lightly oiled baking sheet. Flatten with fork. Bake at 375 degrees for 10 to 12 minutes. Each cookie is 60 calories.