1 large seedless grapefruit
1/2 small avocado, peeled, pitted and diced
1 small shallot, minced
1 tablespoon chopped fresh cilantro
1 teaspoon red-wine vinegar
1 teaspoon honey
1 tablespoon chili powder
1/2 teaspoon five-spice powder (see Note)
1/8 teaspoon salt
2 turkey cutlets (8 ounces)
1 tablespoon canola oil