Chocolate Chip Cookies (Mom's)

Cream
1/2 c. shortening
1/2 c. margarine
1/2 c. sugar
1 c. brown sugar
1 tsp vanilla
2 eggs

Add
2 c. flour
1 tsp baking soda
1 tsp salt
2 c. chocolate chips

Drop by teaspoonful on greased cookie sheet. Bake 375 for 8-10 minutes.