Lasagna Bolognese with truffle bechamel sauce - Schabziger

Ingredients

• 300 g chopped beef
• Frying butter or cream
• 1 onion, finely chopped
• 1 clove of garlic, pressed
• 1 tablespoon tomato puree
• 1 can of pelati, diced tomatoes (400g)
• ½ dl red wine or vegetable broth
• 3 dl vegetable broth
• 1 tsp sugar
• 1 tablespoon chopped oregano
• 1 tablespoon thyme leaves
• salt
• pepper
• 50 g butter
• 7 tablespoons flour
• 6 dl milk
• ½ tsp salt
• Nutmeg
• abundant white Stöckli with truffle
• 200g Glarner Grüessli (for Schabziger lovers) or neutral cream cheese
• 16 lasagne sheets (approx. 275g)
• 100g Sbrinz, grated