1 (7 oz.) pkg. thin spaghetti
1 (8 oz.) can mushrooms
1/2 c. butter
4 breasts of chicken or equivalent, cooked & deboned, leave in lg. pieces
2 cans cream of chicken soup
2 c. sour cream
Parmesan cheese

Break spaghetti into 1" to 2" pieces. Cook and drain. Saute mushrooms in butter. Mix chicken, mushrooms, butter, spaghetti and remaining ingredients together, except Parmesan cheese. Pour in 9"x13" pan (buttered first) and sprinkle with Parmesan cheese (heavy). Bake at 350 degrees for 40 minutes. Serves 8 to 12.