Rose’s Chocolate Cookies

1 C. lard
1 C. margarine
1 1/2 C. white sugar
1 1/2 C. brown sugar
3 tsp. vanilla
4 1/2 C. flour
1 1/2 tsp. soda
3 eggs
1 C. nuts
1 – 12 oz. pkg. chocolate chips

Bake at 350° for 10 to 12 minutes.