Tuna Italiano - cooking recipe

Ingredients

1/2 c. chopped onion
1/4 tsp. oregano, crushed
2 Tbsp. margarine
1 can cream of mushroom soup
2 c. cooked elbow macaroni
1/2 c. chopped canned tomatoes
1 (7 oz.) can tuna, drained

Preparation

In a large saucepan, cook onions with oregano in margarine until tender. Blend in soup. Add remaining ingredients. Heat, stirring now and then, until heated through. Serve with Parmesan cheese. Serves 4.