Bean Burgers (not same as veggie burger)

Are bean burgers strictly a Texas burger, or do they make them in other states? Beef patty, refried beans, Fritos corn chips or nacho chips, grilled onions, cheddar cheese, jalapenos. My favorite, and as far as I'm concerned, the best burger in Texas, is at Specht's Store just outside San Antonio. It will make your eyes roll back in your head from sheer pleasure at the first bite.