Preheat your oven to 350 degrees F.
Grease a 9x13' baking dish.
In a large skillet, brown sausage until fully cooked. Drain.
In a small skillet, cook the onion and green pepper until tender. Add in garlic and cook until aromatic. Remove from heat.
In another bowl, whisk eggs. Add sea salt and pepper to taste. Add sausage and vegetables to the eggs. Stir to combine.
Add the cheese to the egg, sausage and veggie mixture. Stir to combine.
Pour into the prepared baking dish.
Bake in preheated oven for 25 minutes or until the top is set and is slightly browned.
Cool for a few minutes. Cut and Serve.