Mustard Sauce(For Hamburger Steak)  
["1/2 stick margarine", "1/2 c. bell pepper, chopped", "1/2 c. onion, chopped", "1/2 c. beef bouillon", "1/2 c. mustard", "1/2 tsp. salt"]
["Saute pepper and onion in butter until lightly brown.", "Add bouillon, mustard and salt.", "Simmer about 15 minutes and serve over hamburger steak."]
["margarine", "bell pepper", "onion", "beef bouillon", "mustard", "salt"]