Southern Angel Biscuits(Regular Recipe)  
["1 pkg. active dry yeast", "1/4 c. warm water (110~ to 115~)", "3 1/2 to 3 3/4 c. all-purpose flour, divided", "1/2 tsp. baking soda", "2 tsp. baking powder", "1/2 tsp. salt", "1/4 c. sugar", "1/2 c. shortening", "1 c. buttermilk", "1 egg, beaten"]
["Dissolve the yeast in warm water; set aside.", "In a medium mixing bowl, mix 3 1/2 cups of flour with other dry ingredients; cut in shortening.", "Stir in buttermilk, yeast mixture and egg; blend thoroughly.", "Turn out onto a lightly floured surface; knead slightly, adding remaining flour, if necessary.", "Roll out dough to 1/2-inch thickness.", "Cut with a 2-inch biscuit cutter, dipping cutter into flour as needed.", "Place on a lightly greased baking sheet; let dough rise slightly.", "Bake at 400\u00b0 for 12 to 15 minutes or until lightly browned.", "Yield:", "about 24 biscuits."]
["active dry yeast", "warm water", "flour", "baking soda", "baking powder", "salt", "sugar", "shortening", "buttermilk", "egg"]