Calories in Spanish omelette (tortilla de patatas) with onion
Serving: a quarter of a 6-egg tortilla made with 600 g of potato and 160 g of onion · 249 g
374kcal per serving
150kcal per 100 g
- Protein
- 13.1 g
- Carbs
- 26.2 g
- Fat
- 23.7 g
- Fiber
- 2.8 g
- Salt
- 1.3 g
Available carbs, without fiber (as on European labels).
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Try it with a photoThe recipe, gram by gram
This is where the numbers come from: each ingredient raw, what it weighs on the plate and its calories, with the database entry behind it.
| Ingredient | Raw | On the plate | kcal | Source |
|---|---|---|---|---|
| potato slow-fried in oil and drained | 150 g | 163 g | 218 | BEDCA |
| onion slow-fried in oil | 40 g | 19 g | 30 | BLS 4.0 |
| egg (1.5 large eggs) | 75 g | 64 g | 107 | USDA |
| olive oil to set the tortilla | 2 g | 2 g | 18 | USDA |
| salt | 1 g | 1 g | 0 | USDA |
| Total | 249 g | 374 |
Amounts follow the Spanish Nutrition Society (SENC) serving sizes; the rest is Renzy’s standard recipe.
Compared with ready-made dish entries
To check the recipe, we compare it with entries for the finished dish in other databases (0% = same).
BLS 4.0: Kartoffelomelett gebraten (BLS X658012) · 160 kcal per 100 g · -6% per 100 g
BLS “Kartoffelomelett gebraten”: German potato omelette.
USDA FNDDS: Egg omelet or scrambled egg, with potatoes and/or onions, fat added · 172 kcal per 100 g · -13% per 100 g
USDA FNDDS “omelet or scrambled eggs with potatoes and/or onions, with fat”: more egg than potato.
Good to know
- The slow-fried potato uses BEDCA “Patata, salteada con aceite girasol” (potato sautéed in sunflower oil; it already includes the absorbed oil, 7.8 g fat/100 g, 75% water); its weight comes from the BEDCA raw/sautéed potato pair, matched on carbs. With BEDCA “Patata, frita” (crispy fried potato, 46% water) the serving would have almost the same kcal but half the weight: the kcal per serving are solid; the kcal/100 g depend on how much the potato dries out.
- The slow-fried onion uses BLS “Röstzwiebeln” (onion fried in fat); weight from the BLS raw/fried onion pair, matched on protein.
- BEDCA does not list tortilla de patatas as a dish.
FAQ
How many calories are in a slice of Spanish omelette (tortilla de patatas) with onion?
A quarter of a 6-egg tortilla made with 600 g of potato and 160 g of onion: about 249 g as served and 374 kcal, with 13.1 g protein, 26.2 g carbs, 23.7 g fat and 1.3 g salt.
How many calories are in a whole 6-egg Spanish omelette?
About 1,494 kcal for the whole tortilla (≈996 g), with our recipe of 6 eggs, 600 g of potato and 160 g of onion.
How many calories are in Spanish omelette per 100 g?
About 150 kcal per 100 g of finished dish, with our standard recipe.
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Data: USDA FoodData Central (SR Legacy), BEDCA (Spanish food composition database, AESAN) and Bundeslebensmittelschlüssel 4.0 (Max Rubner-Institut, CC BY 4.0). Cooked weight comes from raw/cooked pairs in the same database.