The manager on duty told us the same thing, but I reached out to PF Changs for clarification. This was their response. “Thank you for contacting us. Our sugar is vegan, and our vegetarian oyster sauce is made with mushrooms. Our marked vegetarian entrée options do not contain animal products; however, we do not call them vegan. All of our vegetarian menu items are prepared without animal products and cooked in fresh oil and/or water. Our current vegetarian offerings are: Edamame Vegetarian Lettuce Wraps Chili-Garlic Green Beans Buddha’s Feast Stir-Fried Eggplant Spicy Miso Ramen (no protein)”