Preheat oven to 350, spray 9x13 glass baking pan with non-stick spray.

Mix together cheeses and layer 3 cups into greased pan.

Cook sausage in frying pan. Whike sausage is cooking, cut all of the vegetables.

Layer cooked sausage ontop of cheese in baking pan.

Melt the butter in a frying pan, add vegetables and cook until tender.

While vegetables cook, combine eggs, milk, flour, salt, pepper, and parsley in a large bowl. Use an immersion blender to mix and aerate the eggs.

When vegetables are done, layer them onto of the sausage. Add remaining 3 cups of cheese, spread evenly.

Pour egg mixture over the cheese. Let the egg settle over top the other ingredients. Place in the oven and cook for 35-40 minutes.

Top will be slightly brown.

Cut into 8 large pieces and serve.