Easy Make-Ahead Breakfast Casserole

Bahan-bahan (12 porsi)

• 4 cups (175g or 6 oz) cubes of crusty bread*
• 1 teaspoon olive oil
• 1 pound ground pork sausage, casings removed*
• 1 teaspoon dried rosemary or Italian seasoning, optional
• 3/4 cup (100g) chopped yellow onion (1/2 of a large onion)
• 2 g arlic cloves, minced
• 2 cups (275g or 9-10 oz) chopped bell peppers
• 1 cup (100g or 3 oz) sliced mushrooms
• 1 cup roughly chopped fresh spinach
• 12 large eggs
• 1/4 teaspoon salt
• 1/8 teaspoon freshly ground black pepper
• 2/3 cup (160ml) milk or half-and-half*
• 1 cup (100g or 3.5 oz.) shredded cheddar cheese
• optional garnish: green onion and/or chopped parsley