The original (and unmissable) recipe for lasagna alla bolognese

Ingredients

• 250 g of minced veal
• 250 g of minced pork
• 100 g bacon (stretched or rolled)
• 1 carrot
• 1 onion
• 1 stick of celery
• 1 glass of milk
• extra virgin olive oil to taste
• 1 glass of red wine
• 50 g of butter
• 250 ml of meat broth
• 350 ml pureed tomatoes
• 500 g of flour
• 500 g of spinach
• 4 eggs
• 60 g of butter
• 60 g of flour
• nutmeg to taste
• Salt to taste
• 900ml of milk