Ingredients:
- ¾ cup walnut halves or pieces
- 8 ounces Brussels sprouts, trimmed and thinly sliced lengthwise (1 ½ cups)
- 1 small head radicchio (8 ounces), cored and thinly sliced (1 ½cups)
- Kosher salt (we use Diamond Crystal) and freshly ground pepper
- 3 endives, trimmed and thinly sliced lengthwise (2 cups)
- 1 tablespoon white-wine vinegar
- 1 tablespoon fresh lemon juice
- ¼ cup extra-virgin olive oil
- 3 oranges, peels and pith removed, cut into supremes
