A look at the sweet, sticky success of Panda Express, the Chinese American sensation that revolutionized the mall food court Panda Express is an icon of the American mall food court, feeding families its brand of Chinese American cooking since it first opened in the Glendale Galleria, just outside Los Angeles, in 1983. Today the chain has more than 2,300 stores, and a big part of that success, is the restaurant’s signature sticky-sweet orange chicken , of which it sells over 110 million pounds per year. It all begins with the sauce, according to Adrian Lok, the company’s culinary innovation lead, which starts with a thickening starch, along with a mixture of soy sauce, sugar, ginger, and garlic, water, vinegar, and natural orange extract.. “I know it looks like a lot of sugar but it’s for a lot of batches of orange chicken,” says Lok. Lok says the inspiration for the dish comes from the founders’ home region of Yangzhou, China. “In that region there are a lot of sweet and sour...