ROASTED CAULIFLOWER SALAD WITH WATERCRESS, WALNUTS AND GRUYÈRE
Serves 4.
• 1 head cauliflower, cut into bite-size florets
• 6 tbsp. extra-virgin olive oil, divided
• 11/2 tsp. kosher salt, divided
• 3/4 tsp. pepper, divided
• 1 tbsp. sherry vinegar
• 2 bunches watercress, large stems removed