Lasagna Jamie Oliver INGREDIENTS 2 slices lean smoked bacon 2 medium onions 2 cloves of garlic 2 carrots 2 stalks celery olive oil 2 tsp dried oregano 500 g of half-and-half chopped + 2 cans diced tomatoes (or 400 g) 1 cup fresh basil leaves (15 g) 150 g Parmesan cheese 250 g egg lasagne sheets (pack a 375 g) 500 ml crème fraîche 1 large tomato