(From Weber’s Real Grilling, 200) Marinade: 1/2 cup rice wine vinegar 2 tablespoons canola oil 2 tablespoons granulated sugar 1 tablespoon soy sauce 1 to 2 teaspoons hot chili garlic sauce 6 boneless, skinless chicken thighs, about 4 ounces each 1 plum tomato 4 large handfuls baby spinach leaves, about 12 ounces 1. To make the marinade. In a small bowl, whisk the marinade ingredients. 2. Place the thighs in a large, plastic resealable bag and pour in the marinade. Press the air out of the bag and seal tightly. Turn the bag to distribute the marinade, place the bag in a bowl, and refrigerate for 1 to 2 hours, turning the bag occasionally. 3. Remove the thighs from the bag, reserving the marinade. Pour the marinade into a very large skillet and set is aside. Grill the thighs over Direct High heat until the meat is firm and the juices run clear, 8 to 10 minutes, turning once or twice. (I used our wok on high heat.) 4. Meanwhile, bring the marinade to a boil over high heat and allow to boi...