Shortbread Cookies
["2 sticks unsalted butter", "2 c. flour", "1/2 c. confectioners sugar", "1/4 tsp. salt", "1/4 tsp. baking powder"]
["Preheat oven at 350\u00b0.", "In a bowl, cream the butter.", "Gradually add the sugar.", "Beat well.", "Mix flour, salt and baking powder together.", "Add to the first mixture, combining well into a dough."]
["butter", "flour", "confectioners sugar", "salt", "baking powder"]