Beef and mushroom lasagne with a herbed béchamel crust - Irish Beef

Ingredients

• 1 packet dried lasagne sheets
• 50 g Parmesan cheese
• oil
• 2 onions, finely chopped
• 700g Irish beef mince
• 6 rashers of back bacon, diced
• 3 tins of chopped tomatoes
• 1 bay leaf
• 250ml red wine
• 70g butter
• 50g flour
• 500ml milk
• 200g chestnut mushrooms, sliced
• 100g closed cup mushrooms, sliced
• 100g chanterelles, sliced (when available)
• 1 small handful of dried porcini mushrooms
• 6 sage leaves