Moroccan Couscous Salad

Name: Moroccan Couscous Salad
Ingredients: 1 small head cauliflower, cut into bite-size florets (about 4 cups); ¼ teaspoon black pepper; ⅛ teaspoon smoked paprika; ¾ cup olive oil, divided; 1 ¼ teaspoons kosher salt, divided; ¾ cup Israeli (pearl) couscous; 1 teaspoon lemon zest plus 2 Tbsp. lemon juice (from 1 lemon); 2 tablespoons Champagne or white wine vinegar; 1 teaspoon honey; 1 teaspoon Dijon mustard; 3 scallions, finely chopped; ¼ cup roasted salted pistachios; ¼ cup golden raisins