Spanish Potato Omelette
This spanish tortilla recipe slowly cooks potatoes and onion in olive oil, folds them into beaten eggs, and turns out a thick, golden cake that is soft in the middle. One serving is about 220 g.
The tortilla española grew out of hard times in northern Spain: the oldest written mention comes from Navarre in 1817, describing farm families stretching a few eggs with potatoes so one tortilla could feed many people. A popular story credits a Carlist general's cook with inventing it during the siege of Bilbao in 1835, though that tale is now treated as legend — what is certain is that the potato omelette became Spain's everyday dish, eaten at every hour, in every bar.
Pairs well with: Pan con tomate and a glass of red wine
Provenance
Spain
Navarre Bar Classic
Mediterranean & Italy
Time Dedication
55m
20m prep • 35m cook
Batch Yield
6 Servings
346 kcal per serving
1 serving ≈ 220 g
Technical Skill
Intermediate
Intermediate (The Flip)
Meal Timing & Digestive Fit
Breakfast
Not Advised
Lunch
Inappropriate
Dinner
Inappropriate
Snack & Tea
Ideal Light Bite
Navarre Bar Classic
Photo: Juan Emilio Prades Bel, CC BY-SA 4.0, via Wikimedia Commons
The Heritage Formulary
Estimated cost: Low — about $1–2 per serving at home (USD)
A good tortilla is golden outside and soft, almost creamy, inside — never dry, never browned dark.
Execution Methodology & Culinary Technique
Prep Stage: Slice Thin
20 Mins • Knife Work
Peel the potatoes and slice them thinly and evenly — about 3 mm — so they cook through at the same time. Slice the onion into thin half-moons. Crack the eggs into a large bowl and beat them lightly with salt.
Maestro Tip: Even slices matter more than thin ones: one thick slice stays raw while the rest turn to mush.
25 Mins Low-medium heat, ~150°C (300°F)
Heat the olive oil in a 24 cm frying pan over low-medium heat. Add the potatoes and onion, season with salt, and cook gently for 20–25 minutes, turning now and then, until the potatoes are completely soft but not browned.
The potatoes should poach in the oil, not fry — if they brown, the heat is too high.
Done when: The potatoes break apart easily when pressed with a spoon.
5 Mins Off the heat (potatoes ~90°C / 194°F)
Lift the potatoes and onion out with a slotted spoon, draining the oil back into the pan, and tip them into the beaten eggs. Stir gently and leave to rest for 5 minutes so the potato soaks up the egg.
Resting the mixture is what gives the tortilla its creamy centre.
Done when: The potatoes are coated in egg and the mixture looks thick and glossy.
8 Mins Medium heat, ~170°C (340°F)
Heat 2 tablespoons of the reserved oil in the pan. Pour in the mixture and spread it evenly. Cook on medium heat for 5 minutes, shaking the pan now and then so it does not stick, until the edges set.
Shake the pan often — a stuck tortilla cannot be flipped.
Done when: The edges are set and golden, the top is still slightly wet.
2 Mins Medium heat, ~170°C (340°F)
Put a large plate over the pan, hold it firmly, and flip the whole pan in one confident movement. Slide the tortilla back into the pan, uncooked side down, and cook for 3 minutes more.
Commit to the flip — a hesitant flip is what drops a tortilla. A plate larger than the pan makes it easy.
Done when: The tortilla is golden on both sides and holds its shape.
5 Mins Off the heat (resting, ~60°C / 140°F)
Slide the tortilla onto a plate and rest for 5 minutes before cutting. The centre should be soft and just set, not runny and not dry. Cut into wedges or small squares.
Cutting too soon lets the soft centre run out — five minutes of patience pays off.
Done when: The tortilla is golden outside, soft and creamy inside.
Finishing Touches & Plating
Let the tortilla rest for 5 minutes before cutting — it sets as it cools and slices cleanly. Cut into wedges for a meal, or small squares for tapas.
Nutritional Physiology & Benefits
Energy
346
kcal / serving
Protein
11g
Complete AA
Carbs
24g
Complex
Fats
23g
Healthy
| Energy | 346 kcal |
| Protein | 11 g |
| Carbohydrates | 24 g |
| Fat | 23 g |
| Fibre | 3.0 g |
| Sugar | 2.6 g |
| Sodium | 426 mg |
| Energy | 157 kcal |
| Protein | 5 g |
| Carbohydrates | 10.9 g |
| Fat | 10.5 g |
| Fibre | 1.4 g |
| Sugar | 1.2 g |
| Sodium | 194 mg |
Nutrition values are estimated — calculated from USDA FoodData Central values for the listed ingredients.
Vitamins & minerals: Vitamin B12 and D (eggs), vitamin C and B6 (potato), vitamin E (olive oil).
Simple, Honest Energy
Eggs and potatoes together give about 11 g of protein per serving with slow carbs — enough to keep you going without a heavy meal.
Three Ingredients, Nothing Hidden
Potato, onion and egg, cooked in olive oil — no additives, no processing, just food you can see and name.
Gentle on the Stomach
Slow-cooked, soft and mild, the tortilla is easy to digest and kind to a sensitive stomach.
Food Pairings
To optimize nutrient absorption and elevate the sensory depth, pair with these authentic accompaniments:
Sides
Pan con Tomate
Crusty bread rubbed with tomato and garlic is the classic partner — its acidity cuts the richness of the egg and oil.
Vegetables
A Simple Green Salad
A sharp, lemon-dressed salad balances the tortilla's richness and adds crunch to a soft, warm dish.
Drinks
A Glass of Red Wine
A light Spanish red suits the onion's sweetness and the egg's richness without overpowering a simple dish.
Full Menus
As Tapas or a Light Meal
Cut it into small squares with toothpicks for tapas, or wedges with salad and bread for a light lunch.
Complete menu
Serve wedges of tortilla with pan con tomate and a green salad, and finish with a glass of red wine.
Digestive Guardrails
To prevent digestive distress, sluggishness, or palate clash, avoid pairing the dish with these elements:
A Heavy, Creamy Sauce
Mayonnaise or a heavy sauce would smother the tortilla's delicate egg and onion flavour — a little alioli on the side is enough. This is general guidance, not medical advice.
Reheating Until Rubbery
Overheating a cooked tortilla in the microwave makes the egg rubbery and dry; warm it gently in a pan or eat it at room temperature, as Spaniards often do.
General information only, not medical advice — consult a doctor for personal dietary decisions.
Who Should Eat It
Health Conditions — Adjust or Avoid
If you have a medical condition, consult your doctor before changing your diet.
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