Preheat oven to 375℉. In a large sauté pan, add a small amount of oil and cook the ground sausage. Use the rendered fat to sauté the peppers, onions and garlic. Mix the eggs, milk, seasoning, parsley and black pepper in a large bowl. In a 9×13 casserole pan, spray well with non-stick spray and layer as follows: bread, cooked sausage, cooked peppers and onions, cheese and egg mixture. Allow the egg mixture to soak into the bread, then spray a medium-sized muffin pan with non-stick spray and place about 1/2 cup in each muffin tin hole. Tent with foil and bake at 375℉ for about 30 minutes, uncover and finish until center is fully cooked. Muffins should have a nice golden color when finished. Top with additional cheese if desired.