Ingredients  3 mangoes, peeled, pitted and chopped 1 1/4 cups loosely packed fresh cilantro, not chopped, stems and all 3 chipotle chile peppers in adobo sauce, plus 1 tablespoon sauce from the can 3 tablespoons rice vinegar  4 cloves garlic 3 tablespoons fresh lemon juice 1 1/2 tablespoons canola oil, plus more for the grill Kosher salt and…