Sue's Monster Chip Cookies

aka The Best Chocolate Chip Cookies Ever!

1C shortening
1/2C butter or margarine, soft
1-1/3C sugar
1C brown sugar
4 eggs
3t vanilla extract
1t lemon juice
3C flour
1/2C regular or quick oats
2t baking soda
1-1/2t salt
1t cinnamon
24oz chocolate chips
2C chopped nuts

Preheat regular oven to 350, convection oven to 335. In mixing bowl, cream shortening, butter and sugars until fluffy; about 5 min. Add eggs one at a time, beating well. Add vanilla and lemon juice. Combine dry ingredients. Add to creamed mixture, mix well. Stir in chips and nuts. Drop by 1/4 cupfuls 3" apart onto parchment-covered cookie sheets. Bake 15-16 min. until light brown and center is set. Cool 2 min. on sheet before removing to racks.