How To make Krispie Cookies By Frances

1/2 c Shortening (can)
1 c Brown Sugar
2 Eggs
2 c All-Purpose Flour
1 ts Cream of Tartar
4 c Rice Krispies
Chocolate chips (if desired) 1/2 c Butter
1 c White Sugar
1 ts Vanilla
1 ts Baking Soda
1 ts Salt
Nuts (if desired) Cream shortening, margarine with sugars. Add eggs and vanilla. Sift dry ingredients together, add to the above, then add cereal and blend in gently. Drop on un-greased cookie sheet, by teaspoon. Bake at 350 degrees for 12 to 15 minutes