Cream margarine, sugar, lemon rind, vanilla, and almond extract. Beat in egg. Combine flour, baking soda, and cream of tartar. Mix dry ingredients into creamed mixture and refrigerate dough for 1/2 hour before rolling into walnut-sized balls.
Place on greased cookie sheet and flatten each ball with a fork dipped in sugar. You may also press each cookie in sugar after baking. Bake at 350 degrees for 10 minutes. Makes 3 to 4 dozen cookies.