Easy Sausage Breakfast Casserole Overnight

Ingredients

• 1 lb ground pork breakfast sausage
• 1 small yellow onion, finely diced (150g)
• 1 green bell pepper, diced (120g)
• 6 cups day-old French bread cubes (300g)
• 8 large eggs
• 2 cups whole milk
• 1 tsp dry mustard powder
• 1/2 tsp smoked paprika
• 1/2 tsp salt
• 1/4 tsp black pepper
• 2 cups sharp cheddar cheese, freshly shredded (225g)