Biscuits
["4 c. flour", "6 rounded tsp. baking powder", "1/2 tsp. soda", "1/2 tsp. salt", "1/4 c. shortening", "1 c. sour milk"]
["Sift flour, baking powder, soda and salt.", "Cut in shortening; add milk and mix lightly.", "Roll and cut.", "Bake at 450\u00b0 for 15 minutes."]
["flour", "baking powder", "soda", "salt", "shortening", "sour milk"]