Easy classic lasagne
1 tbsp olive oil
2 rashers smoked streaky bacon
1 onion, finely chopped
1 celery stick, finely chopped
1 medium carrot, grated
2 garlic cloves, finely chopped
500g beef mince
1 tbsp tomato purée
2 x 400g cans chopped tomatoes
1 tbsp clear honey
500g pack fresh egg lasagne sheets
400ml crème fraîche
125g ball mozzarella, roughly torn
50g freshly grated parmesan
large handful basil leaves, torn (optional)