3 cups Frozen vegetable blend (broccoli, carrots, cauliflower)

1 pkg.  Kraft Dinner Macaroni and Cheese
3/4 cup Skim milk
1/4 cup Kraft Calorie-Wise Zesty Italian Dressing
2 cans Chunk white tuna in water, drained, flaked
1 cup  Double Cheddar Shredded Cheese Light, divided

HEAT oven to 375°F.

PLACE vegetables in colander in sink. Cook macaroni as directed on package; pour over vegetables to drain macaroni and quickly thaw vegetables. Return to saucepan.

STIR in Cheese Sauce Mix, milk and dressing. Add tuna and 1/2 cup shredded cheese; mix well. Spoon into 2.3 L casserole; cover.

BAKE 35 min. or until heated through. Top with remaining cheese; bake 3 to 4 min. or until melted.