Burgers · Fast Food Copycats · Game Day Meals · Regional Favorites Vegan Patty Melt A Vegan Patty Melt loaded with Caramelized Onions, a Creamy Pepper Sauce, on grilled Texas Toast will make you say What A Burger! It's been a while since I've veganized WHATABURGER so I thought I'd m... To access this ad-free content, log in below or become a premium member here. Username or E-mail Password Remember Me Forgot Password