Spanish Tortilla
Authentic Spanish tortilla recipe with tender potatoes and onions. This classic Spanish omelette is perfect served hot or cold as an appetizer or light meal.
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Ingredients
6 items
The Spanish tortilla, or tortilla española, is one of Spain's most beloved and iconic dishes. This thick, hearty omelette combines tender potatoes and sweet caramelized onions bound together with eggs, creating a satisfying dish that's equally delicious served hot from the pan or at room temperature.
Unlike its thin Mexican counterpart, the Spanish tortilla is a substantial, cake-like creation that showcases the art of simple, quality ingredients. Perfect as a tapa, light lunch, or even breakfast, this versatile dish embodies the essence of Spanish home cooking with its rustic charm and comforting flavors.
Instructions
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Prepare the vegetables
Peel 0.7 lb potatoes and slice into 1/4-inch thick rounds. Peel 1 large onion and slice thinly into half-moon shapes.
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Cook the potatoes and onions
Heat 2 tablespoons olive oil in an 8-9 inch non-stick pan over medium-low heat until shimmering, about 2 minutes. Add sliced potatoes and onions, stirring gently to coat with oil.
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Reduce heat to low and cook for 25-30 minutes, stirring occasionally, until potatoes are fork-tender and onions are golden and translucent. Season with 1 teaspoon salt and 1 teaspoon black pepper.
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Prepare the egg mixture
Beat 5 eggs in a large bowl until well combined and slightly frothy, about 30 seconds.
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Remove cooked potatoes and onions from heat and gently fold into beaten eggs using a spatula. Let mixture rest for 10 minutes to allow flavors to meld.
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Cook the tortilla
Return the same pan to low heat and pour in egg mixture, spreading evenly with a spatula. Cook for 15-20 minutes until edges are set and center is still slightly jiggly when gently shaken.
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Flip and finish
Place a large plate over the pan and quickly flip tortilla onto plate. Slide tortilla back into pan uncooked side down and cook 3-5 minutes until bottom is golden brown.
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Slide tortilla onto serving plate and let rest 5 minutes before slicing into wedges. Serve warm or at room temperature.
Tips
Use waxy potatoes like Yukon Gold or fingerlings rather than russets - they hold their shape better and create the ideal creamy texture without becoming mushy during the slow cooking process.
Don't rush the potato and onion cooking phase - this slow confiting process at low heat is what creates the signature tender texture that makes Spanish tortilla so special.
Let the egg mixture rest for 10-15 minutes before cooking to allow the flavors to meld and ensure the eggs are fully incorporated with the vegetables.
Use a non-stick pan that's about 8-9 inches in diameter for the perfect thickness - too large and your tortilla will be thin, too small and it becomes difficult to cook evenly.
Practice the flipping technique with an empty pan first if you're nervous - confidence is key to executing this crucial step without breaking your tortilla.
Test doneness by gently pressing the center - it should feel set but still slightly jiggly, as it will continue cooking from residual heat after removing from the stove.
Save the olive oil used for cooking the potatoes - it's now infused with incredible flavor and perfect for drizzling over the finished tortilla or using in salad dressings.
The History of Spanish Tortilla
The Spanish tortilla has humble beginnings that date back to the early 19th century. Legend attributes its creation to a resourceful cook in Navarre who needed to feed General Tomás de Zumalacárregui and his troops with limited ingredients. Using only eggs, potatoes, onions, and olive oil, she created what would become Spain's national dish.
This simple yet ingenious combination quickly spread throughout Spain, with each region adding its own subtle variations. The dish represents the Spanish philosophy of cooking: transforming basic, quality ingredients into something extraordinary through technique and patience.
Regional Variations and Styles
While the classic version contains only potatoes, eggs, onions, and olive oil, Spanish tortilla has inspired countless variations. Some regions prefer their tortillas without onions, while others add ingredients like peppers, chorizo, or cheese. The thickness can vary from thin and crepe-like to thick and substantial.
In the Basque Country, you might find tortillas with added green peppers or ham. Catalonia often incorporates vegetables like spinach or artichokes. The beauty of Spanish tortilla lies in its adaptability while maintaining its essential character.
Mastering the Technique
The key to a perfect Spanish tortilla lies in the slow, gentle cooking of the potatoes and onions. This process, called "confitar," slowly cooks the vegetables in olive oil at low temperatures, creating incredibly tender textures without browning. The potatoes should be creamy and almost falling apart, while the onions become sweet and translucent.
The flipping technique is perhaps the most intimidating aspect for home cooks, but with practice, it becomes second nature. Using a plate slightly larger than your pan ensures a clean flip and prevents the tortilla from breaking.
Serving Suggestions
Spanish tortilla shines in its versatility. Serve it warm as a main course with a simple green salad dressed in sherry vinegar and olive oil. Cut into small wedges, it makes an excellent tapa alongside olives, Manchego cheese, and crusty bread.
For breakfast or brunch, pair thick slices with fresh tomatoes and a drizzle of good olive oil. The tortilla is equally delicious at room temperature, making it perfect for picnics or packed lunches.
Storage and Reheating Tips
Spanish tortilla keeps well in the refrigerator for up to three days, wrapped in plastic wrap or stored in an airtight container. Many Spaniards actually prefer it after it has rested overnight, as the flavors meld and develop complexity.
To reheat, warm gently in a low oven (300°F/150°C) for 10-15 minutes, or serve at room temperature. Avoid microwaving, as it can make the texture rubbery.
Frequently Asked Questions
Should I peel the potatoes?
Yes, always peel potatoes for Spanish tortilla. The skin can create an unpleasant texture and interfere with the smooth, creamy consistency that defines this dish.
Can I make it ahead of time?
Absolutely! Spanish tortilla is often better the next day. Make it completely, cool to room temperature, then refrigerate. It's traditionally served at room temperature anyway.
Why did my tortilla fall apart?
Usually this happens when the eggs aren't properly incorporated with the potato mixture, or when the heat is too high during cooking. Take time to gently fold everything together and keep the heat low throughout cooking.
