Double Cheese Biscuits
["2 c. self-rising flour", "1/2 tsp. dry mustard", "1/8 tsp. ground red pepper", "2 Tbsp. margarine or butter", "3/4 c. shredded Swiss cheese", "3/4 c. buttermilk", "1 egg", "1 egg yolk", "1 Tbsp. water", "grated Parmesan cheese"]
["Heat oven to 450\u00b0.", "Lightly grease cookie sheet.", "Mix flour, mustard and red pepper.", "Cut in margarine with pastry blender until mixture resembles fine crumbs.", "Stir in Swiss cheese, buttermilk and egg until dough forms.", "Turn dough onto well-floured board; coat with flour.", "Knead lightly 10 times. Roll or pat dough 1/2-inch thick; cut with floured 2 1/2-inch biscuit cutter.", "Place on cookie sheet.", "Mix egg yolk and water; brush over biscuits.", "Sprinkle with Parmesan cheese.", "Bake 10 to 12 minutes or until golden.", "Serve warm.", "Makes 10 biscuits."]
["flour", "dry mustard", "ground red pepper", "margarine", "Swiss cheese", "buttermilk", "egg", "egg yolk", "water", "Parmesan cheese"]