3 roasted cauliflower radicchio Recipes

head cauliflower (3 to 3 1/2 punds), cut into 1-inch-wide florets (9 cups), extra-virgin olive oil, salt, black pepper, white-wine vinegar, chopped shallot, heads romaine (2 lb total), cut crosswise into 1/4-inch-wide strips, head radicchio (3/4 lb), cut crosswise into 1/4-inch-wide strips, loosely packed fresh flat-leaf parsley leaves (from 1 bunch), hazelnuts (2 1/4 oz), toasted , any loose skins rubbed off in a kitchen towel, and nuts coarsely chopped

head cauliflower, cut into 3/4-inch florets (about 4 cups), olive oil, chopped walnuts, fresh lemon juice (to taste), dijon mustard, watercress sprigs, shredded radicchio