Step 1 Tie the bay leaves, juniper berries, caraway seeds, peppercorns, coriander seeds, cloves and thyme into a square of cheesecloth to make a sachet.
Step 2 Heat a large skillet and add the onion slices. Cook on low heat until the onions are translucent but not caramelized, about 6 minutes.
Step 3Press out the water from the sauerkraut and add the sauerkraut to the onions. Add the wine and the sachet. Cover with parchment paper or a lid and simmer for 2 1/2 hours. Discard the sachet. Makes 12 cups.