1 c white sugar
1 c brown sugar
1 c shortening
1 c oil
1 egg
1 tsp vanilla
1 tbsp milk
4 c flour
1 tsp baking soda
1 tsp salt
1 tsp cream of tartar
12 oz package chocolate chips

Cream together first 4 ingredients. Blend in egg, vanilla and milk. Mix dry ingredients and chocolate chips together and add to egg sugar mixture. Drop by teaspoonful onto ungreased baking sheet.

Bake for 15-17 minutes in a preheated 350°F oven.