Step 1

Heat oven to 350 degrees. Spray a 13×9-inch baking dish with cooking spray.

Step 2

In a nonstick skillet, heat oil over medium heat. Cook onion until tender.

Step 3

In a bowl, mix onion, soup, sour cream, milk, 1 cup cheese, 2 tbsp dressing mix, and pepper. Stir in chicken.

Step 4

Arrange half of the tater tots in the dish. Spread chicken mixture, sprinkle with bacon, add remaining tater tots mixed with dressing mix.

Step 5

Bake for 40 minutes. Top with cheese and bake for an additional 10-15 minutes until golden.

Step 6

Sprinkle with bacon and chives before serving.