Instructions: Heat 1/4 cup olive oil until it crinkles, but is not yet smoking. Put the finely chopped onion to fry over a hot flame. Cover and do not stir during the first 20 minutes. Thereafter it will be necessary to stir the onions more and more frequently to prevent sticking. When the onions have been reduced to a soft, brown puree (after about an hours cooking), put them aside for at least 5 minutes. (This much may be done several hours in advance if more convenient.)

Divide the onion mixture in two and add half to each of two bowls containing two eggs beaten with a generous amount of salt. Stir the mixture. Reheat the frying pan. You should not have to add oil for the first omelet, but may need to for the second. When the oil is on the verge of smoking, pour in one mixture and keep shaking the pan and sliding a spatula or knife around the edges of the omelet to keep it free and to form a high, rounded edge. When the omelet is almost firm, hold a plate upside down against the frying pan; invert both, dropping the omelet onto the plate as you do so, then slip the omelet back into the pan browned side up. This is easiest to do if the plate you use fits neatly inside the frying pan. Shake the pan while the second side browns. Serve at once. Repeat for the second mixture.

Comments: "Catalan Onion Omelet" (recipe included in this database) is a good, rapidly made dish. "Andalusian Onion Omelet" is a kind of miracle; it is more than the sum of its parts. The long, slow frying of huge quantities of onion reduces them to a puree which blends with the eggs to produce an extraordinary dish, well worth the time it takes.

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