Blackstone and Pellet Grill Sausage Stuffing

Name: Blackstone and Pellet Grill Sausage Stuffing
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: American
Ingredients: cooking oil of choice; 1 onion (diced); 3 ribs celery (diced); 1 pound ground country or sage sausage; 16 ounce loaf bread of choice (I used a low carb Keto bread); 1 tablespoon dried sage; 1/2 tablespoon dried thyme; 1/2 tablespoon dried parsley; kosher salt, pepper; 5 tablespoons butter; 1 14-ounce can turkey or chicken broth (plus more if you prefer a very moist stuffing); 1 egg