Salt and pepper
10 slices smoked bacon or pancetta
1 pound dried mini-shell or other small pasta
2 tablespoons olive oil
1 tablespoon butter
Freshly ground black pepper
2 cups frozen peas
2 tablespoons crème fraîche or heavy cream
2 tablespoons finely chopped fresh mint leaves
Juice of 1 lemon
6 ounces finely grated Parmesan cheese