Tuna Macaroni Casserole

I know there are probably a million tuna casserole recipes out there, but this one is my family's favorite. It always comes out so smooth and creamy. I have used low fat mayonnaise in it and it comes out just as good. (This is an old Better Homes and Gardens recipe)

• Ready In: 1 hr 5 mins
• Serves: 8

Ingredients

• 8  ounces small shell pasta or 8  ounces elbow macaroni
• 2 (10 3/4ounce) cans  condensed cream of celery soup
• 2⁄3 cup milk
• 1⁄2 cup mayonnaise
• 1  teaspoon dry mustard
• 2  cups  shredded mild cheddar cheese
• 3 (6 1/2ounce) cans tuna in water, drained and flaked

Directions

1. Cook macaroni according to package directions; drain.
2. In a bowl blend together the soup, milk, mayonnaise and mustard.
3. Stir in cheese and tuna.
4. Gently fold in cooked macaroni.
5. Turn into a 3 quart casserole.
6. Bake, uncovered, in a preheated 350 oven until heated through, 45 to 50 minutes.