Preheat the oven to 350° F.
Crack your eggs into a large mixing bowl, then add the salt, pepper, garlic, onion powder, baking powder, and coconut flour. Whisk together until well combined.
Add your sausage, half the cheese and vegetables to the mixture and stir until everything is distributed evenly. Pour into a greased 13x9 pan, then sprinkle the remaining cheese on top. Bake for 40-45 minutes, or until risen and set, and the cheese has started to brown on top.
Pour into a greased 13 x 9 pan, then sprinkle the remaining cheese on top. Bake for 40-45 minutes, or until risen and set, and the cheese is starting to brown on top.