creamy tuna noodle casserole

Ingredients For creamy tuna noodle casserole

• 1 pkg

  (16 ounce) wide noodles, cooked and drained
• 2 c

  mayonnaise
• 1

  (16 ounce) sour cream
• 1/2

  small onion, diced
• 1/2

  green pepper, diced
• 1/2 c

  parmesan cheese
• 3 can

  tuna, drained