Mix together 2 c. soft shortening (butter), 1½ c. brown sugar, and 1½ c. granulated sugar
Add 4 eggs and 4 t. vanilla
Sift together 4½ c. sifted flour, 1 t. soda, and 2 t. salt
Combine wet and dry ingredients
Fold in 4-8 c. chocolate chips
Drop by rounded teaspoonfuls about 2" apart on lightly greased baking sheet
Bake at 375°F for 8-10 minutes until lightly browned
Cookies should still be soft
Cool slightly, then remove from baking pan