1 cup butter
2 cups sugar
2 eggs
1 cup salad oil
1 teaspoon salt
2 teaspoons vanilla
5 cups flour
2 teaspoons soda
2 teaspoons cream of tartar.
Mix first 6 ingredients
Mix dry ingredients and put together
Roll in small balls and place on cookie sheet.  If dough is too moist chill first.  Dip bottom of glass in butter and then in sugar and press lightly down on balls on cookie sheet.
Bake at 350 degrees for about 10 – 12 minutes.  It will make a difference as to how large the balls are.