Meat lasagne with creamy ricotta & rosemary

Ingredients

• 2 tbsp olive oil
• 2 cloves garlic, finely diced
• 1 large onion, finely diced
• 150 g bacon or speck, finely diced
• 750 g good quality beef mince
• 500 g pork mince
• 2 bayleaves
• 2 tbsp finely chopped rosemary, plus sprigs to garnish
• 1 tsp dried oregano
• 1/2 cup red wine
• 1 cup beef stock
• 2 x 400g cans chopped tomatoes
• 1/4 cup tomato paste
• Pinch brown sugar
• 2 tbsp Worcestershire sauce
• Sea salt
• Fresh lasagne sheets
• Ricotta sauce
• 40 g butter
• 1 shallot, finely diced
• 1/4 cup flour
• 2 cups hot milk
• 250 g ricotta
• Pinch nutmeg
• 1/3 cup grated parmesan, plus extra for topping