Perfect Pie Crust
["2 cups sifted all purpose flour", "1/4 tsp. baking soda", "1/2 tsp. salt", "3/4 cup cold shortening or margarine", "2 Tbsp. buttermilk"]
["Sift together flour, salt and baking soda. Cut in shortening until mixture looks like meal. Add buttermilk, mixing with a knife until dough cleans bowl of all flour. Chill."]
["flour", "baking soda", "salt", "cold shortening", "buttermilk"]