Sugar Cookies
["1/2 c. butter", "1 c. sugar", "1 large egg", "2 to 2 1/4 c. flour", "2 tsp. baking powder", "1/2 tsp. salt", "1/2 tsp. vanilla"]
["Cream together butter and sugar.", "Blend in egg.", "Sift together the remaining ingredients.", "Add to creamed mixture."]
["butter", "sugar", "egg", "flour", "baking powder", "salt", "vanilla"]