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Mexican

Caldillo Zapatero (Quick Soup for Lent)

A lean, fast Lenten soup from the city of Oaxaca, built around nopales (pads of Opuntia cactus) in a light tomato broth finished with beaten eggs. The name zapatero — shoemaker — likely nods to its humble, workaday character rather than any elaborate technique. Dried shrimps, ground to a powder, are an optional but traditional addition that deepens the broth without overwhelming it. Two additions of epazote (Dysphania ambrosioides) — one early, one at the finish — give the soup a layered herbal backbone.

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Serves4–6

Within reach0of 3 in Trail

Three not yet within reach.

How the 3 are reached

Not yet within reach: 3 · nopales (Opuntia spp.), cleaned and cut into small squares, sprigs epazote (Dysphania ambrosioides), divided, unpeeled tomatoes, finely chopped

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7 cups (1.75 L)

water

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1 medium

white onion, coarsely chopped (first addition)

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garlic cloves, peeled and smashed (first addition)

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Salt to taste

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18 oz (500 g)

nopales (Opuntia spp.), cleaned and cut into small squares

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2 large

sprigs epazote (Dysphania ambrosioides), divided

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14 oz (400 g)

unpeeled tomatoes, finely chopped

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½ medium

white onion, finely chopped (second addition)

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4 small

garlic cloves, peeled and finely chopped (second addition)

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eggs, lightly beaten

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⅔ cup / 190 ml / 50 g

small or medium dried shrimps, ground fine (optional)

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The Method

Bring water to a simmer with coarsely chopped onion, smashed garlic, and salt.

Add nopales and one sprig of epazote. Simmer briefly until nopales are just tender.

From the canon — Epazote (Dysphania ambrosioides) is one of Mexico's defining culinary herbs — a pungent, aromatic annual with a distinctive smell sometimes described as petr… Epazote — identification and usage →

Discard the coarsely chopped onion, smashed garlic, and the first epazote sprig.

Add tomatoes, finely chopped onion, and finely chopped garlic. Cook at a steady simmer for 15 minutes.

If using dried shrimps, stir in the ground powder now and cook 2 minutes more.

Add the second sprig of epazote. Reduce heat to low.

Pour in beaten eggs in a slow stream, stirring gently until they just set — roughly 85°C (185°F). Do not boil.

Taste for salt and serve immediately.

III

Sensory Tests

◇Taste the broth before the eggs go in: it should read clean and lightly tart from the nopales with a quiet mineral salinity from the shrimp — if it tastes flat, the shrimp were not ground finely enough or rinsed of excess salt too aggressively, stripping flavour along with it.

◇Lift a nopal slice with a spoon after the recommended cooking time and let it hang for two seconds — it should hold its shape and show slight resistance at the centre; if it folds limply and releases a thick, viscous thread, it has overcooked and will turn the broth gluey.

◇Smell the pot immediately after the final epazote addition: a sharp, green, faintly anise-like fragrance should rise clearly above the tomato and shrimp notes — if you have to press your face close to detect it, add a few more leaves and serve within ninety seconds.

◇Where it lives or dies. The soup lives or dies at the moment the beaten eggs are added: the broth must be at a steady, active simmer — not a rolling boil that will shred them to rags, not a tepid rest that leaves them in pale, underset ribbons — poured in a slow, thin stream while you stir gently in one direction, producing soft, silky threads that hold their body throughout the bowl.

IV · Cross-Cuisine Parallels

stracciatella-alla-romana — Italian (Roman) — Both soups use beaten egg streamed into a clear, seasoned broth to create soft, irregular ribbons as the primary body of the dish; the technique and the resulting texture are strikingly similar despite entirely different herbal and flavour frameworks. egg-flower-soup — Chinese (Cantonese) — The egg-drop method — a slow pour of beaten egg into simmering broth to form delicate threads — appears independently in both traditions, with Cantonese versions similarly relying on a light, clear base that must not boil too hard at the moment of addition. tasajo-con-nopales — Oaxacan — Nopales (Opuntia pads) prepared in the same city's culinary tradition, where managing the cactus's natural mucilage through proper cooking time and temperature is the central technical challenge shared between the two preparations.

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