Tuna Florentine

A can of tuna is the beginning of a number of tasty recipes. You should have all the ingredients for this tasty entree in your pantry.
Add a some spinach and tomatoes and you have a new and tasty dish.
3 tablespoons margarine
1 medium onion, sliced
2 cups (16 ounces) canned tomatoes
1 cup (8 ounces) tomato sauce
1 teaspoon oregano, crushed
1/2 teaspoon dried parsley
1 teaspoon salt
6-1/2 ounces can of water packed tuna, drained
2 cups (4 ounces) medium noodles, cooked and drained
10 oz. pkg. frozen chopped spinach, cooked, drained
1/2 cup shredded cheddar cheese
Melt margarine in saucepan, Cook onions until tender over medium heat. Add tomatoes, tomato sauce and seasonings. Simmer uncovered over low heat for about 20 minutes. Crumble tuna and add to mixture with the cooked noodles. Turn into a buttered 2 quart casserole. Spoon spinach around edge of casserole and sprinkle center with shredded cheese. Bake at 375 F. for about 25 minutes. Makes 6 servings.