Slow Cooker Breakfast Casserole

Name: Slow Cooker Breakfast Casserole
Prep time: 20 min
Cook time: 6 h
Total time: 6 h 30 min
Yield: 8
Ingredients: Ingredients; 1 lb breakfast sausage (or bacon, diced); 8 large eggs; 2 cups whole milk; 1 teaspoon salt; 1/2 teaspoon black pepper; 1/2 teaspoon garlic powder; 1/4 teaspoon paprika; 6 cups day-old bread, cubed (French bread or sourdough work best); 2 cups sharp cheddar cheese, shredded; 1 cup Monterey Jack cheese, shredded; 1 medium onion, diced; 1 red bell pepper, diced; 4 green onions, chopped; 2 tablespoons fresh chives, chopped (optional)