Preparation Place cabbage in a bowl and cover with salted water. Set aside. Combine soy sauce, vinegar, sugar, garlic, chile, and lime juice. Add more lime juice to taste. In a large bowl, combine jicama, carrot, and oil. Drain cabbage and crush it a bit between your hands. Toss cabbage with jicama mixture, then with soy dressing. Add salt and pepper to taste. Divide among 4 plates and top with with mint, nuts, and grapefruit. Serve.