Step 1

Preheat the oven to 350°F. Lightly coat an 8-inch deep-dish pie dish or baking dish with coconut oil or nonstick cooking spray.Heat the butter in a large skillet over medium heat. Add the onions and sauté until soft, 3 to 4 minutes.

Step 2

Add the sausage and cook until evenly browned, 4 to 5 minutes. Drain and set aside.

Step 3

In a large bowl, whisk the eggs, cream, garlic, salt, and pepper.

Step 4

Spread the sausage and onion mixture evenly on the bottom of the prepared dish and top with the cheese. Pour the egg mixture over the cheese.

Step 5

Bake for 35 minutes, until the eggs are set and the top is lightly golden brown.

Step 6

Allow to cool for 3 to 5 minutes before serving. Leftovers can be covered and stored in the refrigerator for up to 4 days.