4 tbsp. butter
2 sm. onions, sliced
5 tbsp. chopped green pepper
1 can cream of mushroom soup
6 oz. wide noodles, cooked
16 oz. can tomatoes, drained and chopped
7 oz. can tuna fish, drained and flaked
1/4 tsp. thyme
1 sm. pkg. potato chips, crushed

Preheat oven to 400 degrees. Melt butter, add onions and green peppers, and cook until tender but not browned. Add salt and pepper to mushroom soup. Butter a 2 quart casserole dish and add layers of half of the following ingredients: noodles, mushroom soup, onions and peppers, tomatoes, tuna fish. Repeat the layers, using the remaining half of the ingredients. Sprinkle the thyme and potato chips on top. Bake for 20 to 25 minutes, uncovered. Can be assembled well in advance. Serves 4.