Christmas Morning Breakfast Casserole

Ingredients

• 1 pack Sadia smoked sausages, sliced about 0.5cm thick
• 1 onion chopped
• 100g white mushrooms chopped
• 1 green bell pepper chopped
• 1 red bell pepper chopped
• 6 eggs
• 1/3 cup milk (I used 2%)
• 1/4 tsp salt
• 1/4 tsp black pepper
• 1/4 tsp red pepper flakes (optional)
• 500g frozen hash brown potatoes, chopped/cubed
• 2 cups mozzarella cheese shredded
• 4-5 tbsp spring onions chopped