chicken breasts, cut into strips • wooden skewers (about 4/chicken breast) • unsalted chunky peanut butter • ⁄2 cup olive oil • ⁄4 cup white wine vinegar • ⁄4 cup tamari (dark soy sauce) • ⁄4 cup lemon juice • garlic cloves, minced • fresh cilantro stems, shredded • red pepper flakes • ginger, shredded