chicken spaghetti casserole

Ingredients For chicken spaghetti casserole

• 8 oz

  uncooked spaghetti,broken into 3-inch pieces
• 3 c

  cubed cooked chicken
• 1 can

  condensed cream of chick soup,undiluted
• 1

  medum onion,chped
• 1 c

  milk
• 1 c

  shredded sharp cheddar cheese divided
• 1 c

  shredded swiss cese,divided
• 1 can

  mushroom stems and drained
• 1/2 c

  chopped roasted sweet red peppers
• 3 Tbsp

  maonnaise
• 1 1/2 tsp

  mccormick's montreal steak seasoning
• 1/2 tsp

  dried basil