Tuna Bake

1/4 cup diced green pepper
1 cup sliced celery
1 medium onion, chopped
1 1/2 tablespoons butter
1 can cream of mushroom soup
2/3 cup milk
1 cup shredded process cheese
1 (9 1/4-ounces) can tuna, drained
1 (8-ounces) package medium noodles, cooked and drained
8 tablespoons mayonnaise
1/4 cup chopped pimento
1/3 cup slivered almonds, toasted


Cook green pepper, celery and onion in butter for 5 minutes. Blend soup and milk; add cheese. Heat and stir until cheese melts. Combine tuna, noodles, mayonnaise and pimento. Pour cheese sauce over mixture. Turn into greased casserole dish. Sprinkle almonds over the top. Bake at 400 degrees for 30 to 35 minutes or until hot and bubbly.