Yes, you're right. Many recipes do use flour. We've skipped out on it because it's not absolutely necessary. As we've mentioned before, this recipe is quick, effortless, and requires the absolute minimum! If you are looking for a more gourmet touch, don't be afraid to grab some flour. Using some all-purpose flour in the custard has its own benefits. It makes the custard stick to bread more when it's dipped, and the final outcome is much fluffier.