1. In a large mixing bowl, whisk together all ingredients except sprouts, cranberries, and walnuts (if using).
2. Fold in remaining ingredients. Taste for seasoning. Add a bit more mustard, acid, or salt as needed for taste.
3. For best flavor, allow to sit 20 minutes before serving.
TOOLS AND EQUIPMENT
Knife, cutting board, grater, mixing bowl, whisk or fork, measuring spoons, measuring cups
Try experimenting with different types of vinegar. Substitute garlic for shallot. Try different types of cabbage instead of Brussels sprouts. Try subbing other dried fruits such as raisins or dried apricots for dried cranberries. Omit walnuts or try pecans, almonds or other nuts instead.