Roasted Cauliflower Salad

Name: Roasted Cauliflower Salad
Ingredients: 1 medium cauliflower (about 2 pounds); 2 medium shallots; 1 large lemon; 4 tablespoons olive oil, divided; 1 teaspoon curry powder or smoked paprika; 3/4 teaspoon kosher salt, divided; 1/4 teaspoon freshly ground black pepper, plus more as needed; 1 medium bunch flat-leaf or lacinato kale (about 10 ounces total); 10 sprigs fresh flat-leaf parsley; 1 Persian cucumber; 3 tablespoons water, divided; 2 1/2 teaspoons honey, divided; 2 tablespoons raw sunflower seeds; 2 tablespoons white sesame seeds; 1 clove garlic; 1 to 2 tablespoons sherry or red wine vinegar; 1 teaspoon Dijon mustard; 2 sprigs fresh mint