Mushroom St. Thomas

Directions

1. 1
   Preheat oven to 375 degrees F (190 degrees C).
2. 2
   Grease a 9x13-inch baking dish.
3. 3
   Brown turkey sausage and fennel seeds in a large skillet over medium heat, about 10 minutes; drain off excess grease, then add mushrooms and spinach.
4. 4
   Cook until the mixture is hot and the juice from the spinach and mushrooms has evaporated,10 to 15 more minutes.
5. 5
   Spread the turkey mixture into the prepared baking dish.
6. 6
   In a bowl, mix the butter, Parmesan cheese, half and half cream, Monterey Jack cheese, mustard powder, and vermouth until well combined; pour over the sausage mixture in the baking dish.
7. 7
   Bake in the preheated oven until bubbling and the topping has browned, 20 to 30 minutes.
8. 8
   Check after 20 minutes.