Red pepper to taste Cook spinach according to directions on package. Drain and reserve liquour. Melt butter. Add flour-stir to blended and smooth, but not brown. Add onion to cook until soft but not brown. Add liq. slowly stirring constantly. Cook until smooth and thick. Add seasoning and cheese, cut into small pieces. Stir until melted. Combine with cooked spinach. May put in casserole with buttered bread crumbs.