Rich Roll Cookies
["1 c. butter", "2/3 c. sugar", "1 egg", "2 1/2 c. sifted all-purpose flour", "1/2 tsp. salt", "1 tsp. vanilla"]
["Cream the butter and sugar.", "Beat in egg.", "Combine and add flour, salt and vanilla.", "Chill dough 3 to 4 hours (this is the secret to success!).", "Roll out in 2 pieces of waxed paper.", "Cut. Bake at 350\u00b0 for 8 to 10 minutes.", "Yields 60 (2-inch) cookies."]
["butter", "sugar", "egg", "flour", "salt", "vanilla"]