Combine the plum sauce, hoisin, sherry and soy sauce in a nonreactive mixing bowl. Whisk in the oils a little at a time. Add the ginger, garlic, cilantro and chili pepper. Makes 2 cups. Recommended cuts: Chicken Breasts (4 to 6 hours) Chicken Wings (6 to 8 hours) Spare Ribs (8 hours to overnight)