Grilled Lamb Salad with Cumin Vinaigrette

Name: Grilled Lamb Salad with Cumin Vinaigrette
Ingredients: One 1-pound piece boneless leg of lamb, about 3 inches thick; 1/4 cup vegetable oil, plus more for rubbing; 2 teaspoons ground cumin; Salt and freshly ground black pepper; 3 tablespoons white wine vinegar; 1 teaspoon honey or agave nectar; 1/2 teaspoon dry mustard; Freshly ground white pepper; 4 cups thinly sliced romaine lettuce; One 6-ounce piece of jicama, peeled and cut into matchsticks; 1 large carrot, cut into matchsticks; 1 medium seedless cucumber, peeled and cut into matchsticks; 1/2 cup shredded basil, plus 4 sprigs; 2 red jalapeños, seeded and sliced; 4 cilantro sprigs