chicken tetrazzini casserole

Ingredients For chicken tetrazzini casserole

• 12 oz

  spaghetti
• 1 1/2 tsp

  vegetable oil
• 1/2 tsp

  salt
• 1 1/2 tsp

  butter
• 1/4 c

  chopped onion
• 1 can

  clove garlic
• 1 can

  cream of mushroom 10 oz.
• 1 can

  cream of chicken 10 oz
• 1 c

  chicken broth (no salt)
• 1 tsp

  seasoned salt
• 3 c

  shredded american cheese
• 4 c

  shredded chicken or 2 cans drained
• 2 Tbsp

  chopped parsley
• 2 Tbsp

  diced red bell pepper (optional)