Tortilla Espanola is one of those flexible dishes that can go with almost any side dish. You can serve Spanish tortillas for breakfast, lunch, dinner, and even snacks. Along with that, Spanish tortillas also make a good dish for picnics, house parties, workplace lunch, etc. While you can devour Spanish tortillas as a single dish, it can also go well with various Spanish tapas and salads like bean salad, tomato salad, or lemony arugula salad.