Spanish Potato Omelet: With or Without Onion, the Dish That Conquers the World June 26, 2026 0 35 Spanish Potato Omelet: With or Without Onion, the Dish That Conquers the World Spanish Tortilla de Patatas: With or Without Onion, the Dish That Conquers the World There are eternal debates. And then there’s the tortilla de patatas. With onion or without onion, one thing is clear: we’re talking about one of the greatest icons of Spanish gastronomy. At Made in Spain Gourmet, we always agree on one thing: a great tortilla starts with exceptional ingredients. Carefully selected potatoes, quality eggs, extra virgin olive oil, and a respectful preparation with the ...