Deluxe Cheesy Tuna Mac

• 1 pkg. (14 oz.) KRAFT Deluxe Macaroni & Cheese Dinner
• 1 cup frozen peas, thawed
• 1/2 cup chopped onion
• 1/2 cup chopped celery
• 1 can (6 oz.) tuna, drained, flaked
• 1 cup milk
• 1 cup KRAFT Shredded Mild Cheddar Cheese
• 1/2 cup crushed RITZ Crackers
• 1 Tbsp. butter or margarine, melted

1. Preheat oven to 375F.
2. Prepare Dinner as directed on package.
3. Add vegetables, tuna, milk and cheddar cheese; mix well.
4. Spoon into greased 1-1/2-quart casserole dish.
5. Toss cracker crumbs with butter; sprinkle over casserole.
6. Bake 20 minutes or until heated through.

deluxe macaroni, frozen peas, onion, celery, tuna, milk, cheddar cheese, crackers, butter

Taken from www.kraftrecipes.com/recipes/deluxe-cheesy-tuna-mac-62319.aspx (may not work)