4 servings / Preparation 20 minutes / Baking 2 hours
salt and freshly ground pepper 3 tablespoons butter 2 tablespoons olive oil 2 onions, sliced 2 carrots, diced 1 parsley, diced ½ small celery, diced 1 clove garlic + 4 cloves, peeled and thinly sliced 400g can of chopped tomatoes leaves from several sprigs of thyme + a few sprigs for decoration |
1. Preheat the oven to 160 °C. Wash the knees well, dry them, and cut the skin in a zigzag pattern. |