Preheat the oven to 375 degrees F and lightly oil a large casserole dish.

Heat the avocado oil over medium heat in a large skillet (I use cast iron). Add the turkey breakfast sausage and brown until cooked through.

Add the garlic, zucchini, oregano, basil, chives, baby spinach, and sea salt. Cover and cook until spinach has wilted, about 3 minutes.

Transfer the sausage and vegetable mixture to the casserole dish and spread it into an even layer. 

Beat the eggs well in a mixing bowl with a hand mixer, or in a bowl with a fork until well-combined. Pour the beaten eggs evenly into the casserole dish. Sprinkle with mozarella cheese.

Bake on the center rack of the preheated oven 45 - 55 minutes, or until casserole is cooked through. Remove from oven and allow casserole to rest 10 minutes before slicing and serving.