1 c. shortening
1 c. brown sugar
1 c. granulated sugar
3 c. flour
2 eggs
1 c. peanut butter
1 tsp. cream of tartar
1 tsp. baking soda
1 tsp. vanilla

Mix together in large mixing bowl, roll into small balls and put on ungreased cookie sheet. With fork press gently into cookie shape than turn fork in opposite direction so cookie looks like checkerboard. Bake 350 degrees for 7 to 10 minutes.