Recipe of Spinach dumplings

• 300 g boiled spinach
• 30 g of diced cheese
• 150 g stale bread
• 50 ml of milk
• 2 tablespoons of butter
• 2 eggs
• 60 g chopped onion
• 2 tablespoons of flour
• Salt
• Pepper
• Nutmeg
• Breadcrumbs

For the sauce

• 80 g of butter
• Abundant Parmesan