Combine:

1 c. flour
1/2 tsp. baking powder
1/2 tsp. baking soda

Cream:

1/2 c. granulated sugar
1 egg
1/2 c. shortening
1 1/2 tsp. vanilla

Add to first mixture then add 1 cup each:

Rolled oats
Rice Krispies
Chocolate chips

Drop by teaspoon onto ungreased cookie sheet. Bake at 350 degrees for 10 to 12 minutes.