Tiny Tuna Pizzas
["1 (7 oz.) can tuna", "1/4 c. chili sauce", "1 tsp. onion, minced", "1/4 tsp. salt", "1/4 tsp. oregano", "1 small loaf party rye bread", "grated Parmesan"]
["Combine first five ingredients, mix well.", "Spread on rye slices.", "Place on baking sheet and sprinkle with cheese.", "Bake at 425\u00b0 for 4 minutes or until heated.", "Serve hot."]
["tuna", "chili sauce", "onion", "salt", "oregano", "party rye bread", "Parmesan"]