6 c. noodles, cooked and drained
1 can cream of celery soup
1/2 c. bell pepper, diced
1/2 c. onion, diced
1/2 c. celery, diced
1 c. Cheddar cheese, grated
2 (6 1/8 oz.) cans tuna, drained
Walnuts (optional)

Heat soup in a pan with the cheese. Fold into large bowl with noodles. Add vegetables and tuna; mix well and place in a baking dish and top with walnuts. Bake at 400 degrees for 25 minutes.