1-1/2 - cups cheddar cheese, grated and divided
1 - package (9-ounces) frozen spinach, thawed and drained
1 - cup white bread, cubed
1 - cup fresh button mushrooms, sliced
1/2 - cup green onion, thinly sliced
6 - eggs
1-1/2 - cups milk
1/2 - cup heavy cream
1 - teaspoon salt
1 - teaspoon black pepper
1 - teaspoon garlic powder

• Layer half of the cheddar cheese, spinach, bread, mushrooms and green onions in the bottom of the stoneware.
  
• In a medium mixing bowl, whisk together the eggs, milk, cream, salt, pepper and garlic powder until thoroughly combined. 
• Pour this egg mixture over the layered mixture. 
• Do not mix. 
• Sprinkle the remaining cheese on top.
  
• Cover cook on HIGH for 1-1/2 to 2 hours.