Crustless Quiche with Vegetables and Sausage

Bahan-bahan (6 porsi)

• 1/2 lb breakfast sausage or hot sausage (whichever you like best)
• 1 small onion (sliced into very thin strips, about 1/2 cups worth)
• 8 crimini or button mushrooms (sliced very thin, about 2 cups worth)
• 6 brussels sprouts (sliced as thinly as possible, about 1 cups worth)
• 1/2 teaspoon granulated garlic or garlic powder
• 10 eggs
• 1/4 cup cream (half and half or milk *)
• 1 teaspoon kosher salt (divided)
• 1/2 teaspoon freshly ground black pepper (divided)
• 1 cup shredded cheddar or Mexican blend cheeses