Hearty Tuna Casserole
["2 (6 1/2 oz.) cans tuna", "3 c. egg noodles (uncooked)", "1/2 c. celery, chopped", "1/3 c. green onion, chopped", "1/2 c. sour cream", "2 tsp. mustard", "1/2 c. mayo", "1/2 tsp. thyme", "1/4 tsp. salt", "1 small zucchini, sliced", "1 c. shredded Monterey Jack cheese", "1 medium tomato, chopped"]
["Drain tuna and flake.", "Cook noodles; drain and rinse.", "Combine noodles, tuna, celery and onion.", "Blend sour cream, mustard, mayo, salt and thyme.", "Spoon 1/2 mixture into a 2-quart casserole.", "Top with 1/2 the zucchini.", "Repeat layers.", "Top with cheese.", "Bake at 350\u00b0 for 30 minutes.", "Sprinkle with chopped tomato."]
["tuna", "egg noodles", "celery", "green onion", "sour cream", "mustard", "mayo", "thyme", "salt", "zucchini", "shredded Monterey Jack cheese", "tomato"]