Step 1

Coat a 9x13-inch baking dish with nonstick cooking spray.

Step 2

In a large bowl, combine the stuffing mix, the butter, and the chicken broth.

Step 3

Place 1/2 of the stuffing mixture in the bottom of the prepared baking dish. Set the remaining stuffing mixture aside.

Step 4

In another bowl, mix the turkey, the onion, the celery, the mayonnaise, and the salt together.

Step 5

Evenly spread the turkey mixture over the stuffing mixture in the baking dish.

Step 6

Top the turkey mixture with the remaining stuffing mixture.

Step 7

In a small bowl, beat the eggs and the milk together.

Step 8

Pour the egg mixture over the stuffing mixture.

Step 9

Cover the baking dish with foil and refrigerate for at least 4 hours and up to overnight.

Step 10

Preheat the oven to 350 degrees F.

Step 11

Bake, uncovered, for 45 minutes.

Step 12

Sprinkle the top of the casserole with the cheese and bake until it has melted, about 10-15 minutes.

Step 13

Serve.