Heat oil in a large Dutch oven over medium heat. Add leek and potato; cook 8 minutes or until leek is tender, stirring frequently. Add 1/3 cup water, kale, rice, salt, thyme, pepper, and garlic; cook 5 minutes or until kale wilts, stirring frequently. Add remaining 4 2/3 cups water and bouillon cubes; bring to a boil. Reduce heat, and simmer 20 minutes. Sprinkle each serving with 2 tablespoons cheese. Yield: 4 servings (serving size: 1 1/2 cups).