Chicken Tetrazzini

Ingredients
- 1 pkg boned chicken breasts or thighs boiled until tender 20 to 30 minutes
- 13 c spaghetti cooked and drained
- 2 cans mushroom soup
- 1 c chicken broth
- 14 c chopped onion
- 12 c grated Cheddar cheese
Directions
- Mix ingredients together
- Pour into ungreased 2-quart casserole dish
- Sprinkle cheese on top
- Bake uncovered at 350 for 45 minutes