Step 1

Preheat oven to 350º F and lightly grease a square baking dish with butter or non-stick spray.

Step 2

Place chicken, cheese, celery and bacon in a large bowl.

Step 3

In a smaller bowl, whisk together mayonnaise, ranch mix, lemon juice, Worcestershire sauce and onion powder, and season with salt and pepper.

Step 4

Stir mayonnaise mixture into chicken until everything is evenly coated, then transfer everything to greased baking dish.

Step 5

Top baking dish with crushed potato chips, then place in oven and bake for 25-30 minutes, or until mixture is hot and bubbly and cheese is melted.

Step 6

Remove from oven and serve hot.