KATHY: When my dad hears the word “marketing,” he usually runs the other way—which is why I was so surprised when one day he decided to take a stab at “marketing” one of our most popular sauces. Our Nanking Sauce is essentially sweet and sour sauce, minus the food coloring, artificial flavor, and ultra-thick goopiness, plus a pop of acid, subtle sweetness, and a kick of spice. It’s good on everything—shrimp, scallops, mushrooms, pork, you name it—and our customers were obse