Sprinkle buttered biscuits with garlic salt (DON'T add the salt to the eggs while they are cooking, the salt will make the eggs rubbery).
After biscuits have cooled cut them in half and spread with butter.Add egg mixture to the browned sausage and cook until eggs are done.In a mixing bowl combine eggs dry mustard and pepper.While biscuits are baking start browning sausage.Bake biscuits according to package directions.