Sugar Cookies
["1/2 c. butter", "1 c. sugar", "1/2 tsp. salt", "2 tsp. baking powder", "2 c. plain flour, sifted", "1 egg", "1 tsp. vanilla"]
["Cream together the butter and sugar.", "Blend in one medium whole egg.", "Sift together and add to the salt, baking powder and flour. Blend into mixture 1/2 teaspoon of vanilla.", "Bake at 400\u00b0 for 8 to 10 minutes."]
["butter", "sugar", "salt", "baking powder", "flour", "egg", "vanilla"]