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San Luis Potosí's spring cabuches, the unopened buds of the biznaga roja, blanched and settled in sharp vinegar with onion, carrot, serrano, bay, and oregano for Lent and the year after.
San Luis Potosí, the Altiplano potosino, the dry high country around Matehuala, Charcas, Salinas, and Real de Catorce. That is where cabuches belong. These are the flower buds of the biznaga roja, gathered in spring before the cactus opens its red crown. The season is short. The appetite is not.
Cabuches en escabeche is Cuaresma food, yes, but it is also desert intelligence. When the land gives you a small green bud for a few weeks, you learn to preserve it in vinegar with onion, carrot, chile serrano, bay, Mexican oregano, thyme, and marjoram. The women of the Altiplano perfected this because they understood scarcity without making it sad. A jar of cabuches on the table with tortillas and queso fresco can carry you through a meatless meal and still feel like a privilege.
I first bought them from a señora outside the market in Matehuala, packed in reused glass jars with the carrots cut thicker than I would have cut them. She corrected me before I asked anything: blanch first, vinegar second, rest two days. She was right. The cabuche should stay firm under your teeth, like a caper that grew up in the desert and learned manners from nobody.
Buy cabuches only from vendors who know where they came from. Many biznagas are slow-growing, and some are protected. A good harvest leaves buds on the plant and respects the season. If the mercado does not have cabuches in spring, do not pretend with capers. Cook what the land is giving you. Cada estado, su propia cocina.
Cabuches are the unopened flower buds of barrel cacti from the semi-arid Altiplano, especially the biznaga roja associated with San Luis Potosí and neighboring Zacatecas. Escabeche entered Mexico through Spanish vinegar preservation after the 16th century, then Mexican cooks applied the method to native ingredients such as cactus buds, nopales, xoconostle, and wild greens. Their spring harvest coincides with Cuaresma, which helped make cabuches a prized meatless food in the Potosino highlands rather than a curiosity from the desert.
Quantity
1 pound
cleaned and tough stem ends trimmed
Quantity
2 quarts
Quantity
2 tablespoons
divided
Quantity
3 tablespoons
Quantity
1 medium
sliced into thin half-moons
Quantity
2 medium
peeled and sliced into 1/4-inch coins
Quantity
4
lightly crushed
Quantity
3
split lengthwise
Quantity
2
Quantity
1 teaspoon
Quantity
1/2 teaspoon
Quantity
1/2 teaspoon
Quantity
10
Quantity
4
Quantity
1 1/2 cups
Quantity
1 1/2 cups
Quantity
1 teaspoon
Quantity
for serving
Quantity
for serving
| Ingredient | Quantity |
|---|---|
| fresh cabuches (biznaga roja cactus flower buds)cleaned and tough stem ends trimmed | 1 pound |
| water for blanching | 2 quarts |
| kosher saltdivided | 2 tablespoons |
| mild olive oil | 3 tablespoons |
| white onionsliced into thin half-moons | 1 medium |
| carrotspeeled and sliced into 1/4-inch coins | 2 medium |
| garlic cloveslightly crushed | 4 |
| fresh chile serranosplit lengthwise | 3 |
| bay leaves | 2 |
| dried Mexican oregano | 1 teaspoon |
| dried thyme | 1/2 teaspoon |
| dried marjoram | 1/2 teaspoon |
| black peppercorns | 10 |
| allspice berries | 4 |
| white cane vinegar, 5% acidity | 1 1/2 cups |
| water for escabeche | 1 1/2 cups |
| grated piloncillo | 1 teaspoon |
| warm corn tortillas or crisp tostadas (optional) | for serving |
| queso fresco (optional) | for serving |
Sort the cabuches one by one. Pull away any dry outer bits, trim the hard stem end, and rinse them in two changes of cold water. They should look like tight green buds, firm and closed. If a bud is mushy or smells sour before it touches vinegar, throw it out. The market already did its work. Now you do yours.
Bring 2 quarts of water to a boil in a stainless steel pot with 1 tablespoon of the salt. Add the cabuches and cook 8 to 10 minutes, just until their color dulls slightly and a knife slips into the base with a little resistance. Drain them. Taste one. It should be vegetal, a little mineral, faintly bitter, not harsh. If the bitterness is aggressive, blanch them 3 minutes more in fresh salted water.
Wash two pint jars and their lids with hot soapy water, then rinse well. Keep them hot while you make the escabeche. This is a refrigerator pickle, not a shelf-stable canning recipe. No me vengas con atajos. If you want pantry storage, use a tested canning process and measure acidity properly.
Heat the olive oil in a wide stainless steel saucepan or food-safe glazed clay cazuela over medium heat. Add the onion, carrots, garlic, and chile serrano. Cook 4 to 5 minutes, stirring often, until the onion turns glossy and the carrots brighten. You are not browning them. Escabeche should taste clean and sharp, not fried.
Add the bay leaves, Mexican oregano, thyme, marjoram, black peppercorns, and allspice berries. Stir for 30 seconds, just long enough for the herbs to open in the oil. Pour in the vinegar, 1 1/2 cups water, the remaining 1 tablespoon salt, and the piloncillo. Bring to a steady simmer and cook 5 minutes. The brine should smell sharp, herbal, and slightly sweet at the edges.
Add the blanched cabuches to the simmering escabeche and cook 5 minutes. Stir gently so the buds stay whole. They should sit in the vinegar, not break into it. The serrano gives perfume and a clean bite; this is not a contest to see who can suffer. Not all Mexican food is hot. This is a 32-state cuisine.
Use a slotted spoon to divide the cabuches, carrots, onions, garlic, and chiles between the hot jars. Pour the hot brine over them until everything is covered. Tap the jars lightly on the counter to release trapped air, then seal. Let them cool to room temperature before refrigerating.
Refrigerate at least 24 hours, and 48 hours is better. The cabuches need time to drink the vinegar and herbs. Serve them cool or at room temperature with corn tostadas, warm tortillas, and a little queso fresco if you want something soft against the sharpness. Recetas probadas y garantizadas.
1 serving (about 135g)
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