Beat 10 min:
1 lb. butter
1 ½ c. sugar
2 c. brown sugar
add:
3 eggs
2 tsp. vanilla
Beat 3 more minutes.
6 c. flour
1 ½ tsp. salt
1 ½ tsp. soda
½ tsp. baking powder
mix well then add:
4 c. chocolate chips
Bake at 350 for 8-10 minutes. (Yields 8 dozen)