Preparation Mix lamb, 2 tablespoons soy sauce, ginger, minced garlic and 2 teaspoons cornstarch in large bowl. Mix broth, lemon juice, chili sauce and remaining 2 tablespoons soy sauce and 2 tablespoons cornstarch in small bowl. Heat both oils in wok or Dutch oven over high heat. Add 3 garlic cloves; cook until golden brown, about 2 minutes. Discard garlic. Add zucchini and onion; stir-fry until crisp-tender, about 3 minutes. Add green onions; stir-fry just until wilted, about 1 minute. Transfer vegetables to platter. Add lamb mixture to wok; stir-fry until meat is brown, about 3 minutes. Add broth mixture; boil until sauce thickens, stirring constantly, about 1 minutes. Return vegetables to wok; stir until heated through. Season with salt and pepper. Serve with rice.