Breakfast Casserole with Sausage

Ingredients

• Butter or cooking spray for casserole disk
• 6 large eggs
• 2.5 cups whole milk
• 2 cups sliced green onions
• 1/2 cup heavy cream
• 1/2 cup finely grated Romano cheese
• 2 TBsp. chopped fresh oregano
• 1/2 tsp. kosher salt
• Freshly ground black pepper
• 2 Tbsp. extra virgin olive oil
• 1 lb. italian sausage
• 1 large red bell pepper, halved, seeded, cut into 1/2" strips
• 1 lb. loaf rustic French bread cut into 1/2" slices
• 2 cups loosely packed, coarsely grated Fontina cheese, divided