These doritos tostadas make the perfect summer appetizer, especially for your upcoming pool parties we love these doritos tostadas its a pleasure partnering with frito-lay to bring you a simple appetizerrecipe that willmake your summer parties even more fun. these quick fix doritos tostadas can be put together in minutes and are enjoyed by young and old. from summer pool partiesto fourth of july parties, this appetizerwill be a huge hit. start by arranging your doritos onto parchment paper to start assembling. for the first layer, spread a light layer of refried beans. up next, add a light layer of.