Cheesy Tater-topped Chicken Casserole

1 bag (24 oz) frozen broccoli, carrots, cauliflower and cheesed flavored sauce (Green Giant)
2 cups diced chicken
4 medium green onions, chopped (1/4 cup)
4 cups frozen potato nuggets (from 2 lb bag)
1/2 cup finely shredded Cheddar cheese

Heat oven to 375 degrees.
In ungreased 11x7 inch (2-quart) glass baking dish, place broccoli, carrots, cauliflower and cheese sauce.
Microwave uncovered on high 3 to 5 minutes, stirring once, until thawed.
Stir well until cheese sauce is melted.

Stir chicken and 3 T. of the onions into vegetable-cheese mixture.
Top with frozen potato nuggets.

Bake uncovered 40 to 45 minutes or until bubbly around edges and potato nuggets are golden brown.
Sprinkle with cheese and remaining 1 T. onion.
Bake 5 to 10 minutes longer or until cheese is melted.