two 3/4-pound pork tenderloins
1/4 cup honey
1/4 cup soy sauce
1/4 cup oyster sauce
2 tablespoons packed brown sugar
1 tablespoon plus 1 teaspoon minced peeled fresh gingerroot
1 tablespoon minced garlic
1 tablespoon ketchup
1/4 teaspoon onion powder
1/4 teaspoon cayenne
1/4 teaspoon cinnamon
Garnish: fresh flat-leafed parsley sprigs
Pat pork dry and arrange in a shallow dish. In a bowl whisk together all remaining ingredients and pour marinade over pork. Turn pork to coat well. Chill pork, covered, turning it once or twice, at least 8 hours and up to 1 day.
Remove pork from marinade, reserving marinade, and arrange on a lightly oiled rack set 5 to 6 inches over glowing coals. Grill pork, basting with reserved marinade and turning it every 3 minutes, 10 minutes total. Discard marinade. Continue to cook pork, turning it every 3 minutes, until a thermometer diagonally inserted 2 inches into center of tenderloin registers 155°F., about 10 minutes more.