2 pounds meaty smoked ham hocks
1/2 medium Spanish onion, halved
3 small celery stalks, very roughly chopped
1/2 medium carrot, peeled, very roughly chopped
1 head garlic, halved horizontally, not peeled
1 fresh bay leaf, or 1/2 dried
6 black peppercorns
4 tablespoons unsalted butter
1/2 small Spanish onion, finely chopped
1 small carrot, peeled and cut into 1/2-inch pieces
2 teaspoons Maldon or another flaky sea salt
1/2 cup dry white wine, such as Sauvignon Blanc
Five-fingered pinch of mint leaves, plus some torn leaves for finishing
Two 10-ounce packages Birds Eye frozen baby peas
Extra virgin olive oil
Freshly ground black pepper
3 or 4 tablespoons crème fraîche