Butter Cookies
["1 lb. margarine", "2 eggs", "4 tsp. vanilla", "1 tsp. baking powder", "1 c. powdered sugar", "5 c. flour"]
["Bring margarine to room temperature and beat well.", "Add sugar and beat until fluffy.", "Add eggs and vanilla and beat thoroughly. Fold in flour and beat well.", "Roll in 1-inch balls and bake 20 minutes in 350\u00b0 oven.", "Sprinkle liberally with powdered sugar while still warm."]
["margarine", "eggs", "vanilla", "baking powder", "powdered sugar", "flour"]