Tuna Puffs
["1 can tuna", "1 1/2 tsp. mustard", "1 1/4 tsp. Worcestershire sauce", "1/4 c. salad dressing", "1 1/2 tsp. grated onion", "2 Tbsp. grated pepper", "1 tomato, sliced", "hamburger buns", "sliced cheese"]
["Mix ingredients except for tomato, cheese and buns. Lay buns on cookie sheet. Top with mixture then lay slice of tomato then cover with cheese. Bake at 300\u00b0 until cheese is bubbly and is heated throughout."]
["tuna", "mustard", "Worcestershire sauce", "salad dressing", "onion", "pepper", "tomato", "buns", "cheese"]