Sugar Cookies
["1 1/2 c. white sugar", "1 c. shortening (part margarine)", "2 egg yolks", "2 c. flour", "1 tsp. soda", "1 tsp. cream of tartar", "1/4 tsp. salt", "1 tsp. vanilla"]
["Cream shortening and sugar; add egg yolks.", "Beat well.", "Sift and add dry ingredients.", "Add vanilla.", "Roll into balls.", "Roll balls in white sugar; press with fork.", "Bake in 350\u00b0 oven for 8 to 10 minutes.", "These will melt in your mouth."]
["white sugar", "shortening", "egg yolks", "flour", "soda", "cream of tartar", "salt", "vanilla"]