These edible taco shell bowls make a perfect serving bowl for a taco salad flour tortillas are baked in the oven to form a bowl-shaped taco shell using common household items-no special taco bowl molds needed making the tortilla taco bowl is very easy and doesn't require any special gadgets. you might have seen those 'as seen on tv' taco bowl molds, but trust me-you don't really need them. you can use common household items to shape the tortillas into bowls-any oven-safe cups or bowls, empty metal food cans, mason glass jars or even.