New Chocolate Chip Cookies

1/2 cup butter
4 Tbs. shortening
1 cup brown sugar
3/4 cup white sugar
(mix)
(add)
2 eggs
1 tsp. baking soda
1 tsp. vanilla
1/2 tsp. salt
2 1/2 cups flour
2 cups chocolate chips

Bake at 350 for 11 min.