Creating Creamy Keto Cauliflower Au Gratin With Sausage is a breeze if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Prepare Cauliflower: Steam or boil cauliflower florets for about 5-7 minutes until slightly tender. Drain and set aside.
3. Cook Sausage: In a skillet over medium heat, cook the Italian sausage until browned and cooked through, breaking it apart with a spoon. Drain excess fat if necessary.
4. Make Cheese Sauce: In a medium saucepan, combine the heavy cream, cream cheese, cheddar cheese, Parmesan cheese, minced garlic, onion powder, garlic powder, Italian seasoning, salt, and pepper. Cook over low heat until the cheese is melted and the mixture is smooth.
5. Combine Ingredients: In a large mixing bowl, combine the cooked cauliflower, sausage, and cheese sauce. Stir until well coated.
6. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish.
7. Add Toppings: Sprinkle additional cheddar cheese on top for a golden, bubbly finish.
8. Bake: Place in the preheated oven and bake for 20-25 minutes, or until the top is golden and bubbly.
9. Garnish: Remove from the oven and let it cool for a few minutes. Garnish with chopped parsley before serving.

These steps will ensure your Creamy Keto Cauliflower Au Gratin With Sausage turns out creamy and flavorful.