Recipe
🍰 DESSERT
Thayacha (Andean Frozen Oca)
An ancient Bolivian altiplano treat: sweet oca tubers boiled with cinnamon, then frozen overnight into a natural ice, sold in the winter markets of La Paz and El Alto.
Bolivian · easy · serves 6
prep 15 min · cook 25 min
~96 cal · 0g protein · 25g carbs · 0g fat · 0g fiber · 25g sugars · 0g sat fat (estimated, per serving)
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Thayacha is a frozen sweet of the Bolivian altiplano, its name from the Aymara thaya, the cold wind that once did the freezing, and it belongs to the high plains around La Paz and El Alto.
Sweet oca and isano tubers are left in the sun for days to grow sugary, boiled with cinnamon and cloves, then spread out to freeze solid in the bitter winter nights, an ancient trick of natural refrigeration.
It appears only in the cold months of May, June and July, sold by the heap in the markets and eaten slowly with a drizzle of dark cane syrup, a frozen dessert older than the conquest.
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Make it yours
✓ Naturally vegetarian, vegan and gluten-, dairy-, nut-, egg- and pork-free. No swaps needed.
Toggle a diet and the ingredients rewrite themselves with regional substitutes.
🥕 Vegetarian
🌱 Vegan
🌾 Gluten-Free
🥛 Dairy-Free
🥜 Nut-Free
🥚 Egg-Free
🐖 Pork-Free
Dietary labels are a cooking guide, not allergen-safety advice. We track dairy, egg, gluten, tree nuts and peanuts (we count coconut as a tree nut, following FDA labeling), fish, and shellfish; we do not screen for sesame, soy, mustard, celery, or sulphites. If you have a food allergy, read the label on every product you use, and note that a kitchen can cross-contaminate in ways a recipe cannot control.
Ingredients
US
Metric
Serves 6
2 lbs oca tubers (or isano)
Hard to find? sweet potato or camote - the documented thaya de camote uses sweet potato; milder and less tart than oca but frozen the same way
1/2 cup sugar
1 cinnamon stick
4 (optional) whole cloves
1/4 cup chancaca or cane syrup, to drizzle
to cover water
Instructions
1
If your oca is not already sweet, spread the tubers in the sun for several days until they soften and turn sugary.
2
Boil the oca with the sugar, cinnamon and cloves in water to cover until fully tender, about 25 minutes.
3
Drain the tubers and spread them out in a single layer on a tray.
4
Freeze the tray overnight, until the oca is frozen solid all the way through.
✎ Chef’s note
The altiplano freezes these outdoors in the night air; a home freezer does exactly the same job.
5
Serve the thayacha frozen, drizzled with chancaca or dark cane syrup.
Altiplano paceno winter tradition around La Paz and El Alto.
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🌏 While it simmers, know your destination
📍
La Paz. La Paz sits above 3,600 metres, and its food is built for thin, cold air: peanut-thickened soups, hearty stews, and chuno, potatoes freeze-dried in the Andean night. Aji peppers, corn, and dozens of native potato varieties anchor a kitchen shaped by altitude.
🗺️
Bolivia. Bolivia's food climbs from Amazon lowlands to the high Andes, where potatoes (in hundreds of varieties), quinoa, and hominy sustain life at altitude. Salteñas, peanut soup, and spicy llajua sauce reflect a hearty Indigenous heritage.
🌍
South America. Migration reworked the plate within living memory. Japanese arrivals in Peru and Brazil produced Nikkei cooking, Italians made pasta and pizza entirely ordinary in Argentina, Uruguay and Sao Paulo, and West African cooking carried into Bahia by the slave trade gave Brazil dende palm oil, okra and a whole ritual repertoire.
The story behind this dish is up top, worth a read while the pot works.
More from Bolivia
SilpanchoA Cochabamba plate of rice, potato, a thin breaded beef cutlet, and a fried egg over chopped salad.
Api con PastelA hot, spiced purple-corn drink thick with cinnamon and clove, served with a crisp fried cheese pastry dusted in sugar.
SalteñasBaked pastry pockets of juicy, gently sweet meat stew, sealed with a rope-braided crimp, Bolivia's mid-morning ritual.
Browse all Bolivia recipes →
Good to know
Storing it: Keeps 2 to 3 days refrigerated. Resteam or warm through gently to serve.
Make it a Bolivia meal
Pique a lo MachoDinner
Api MoradoDrink
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Frequently asked questions
What is Thayacha (Andean Frozen Oca)?
An ancient Bolivian altiplano treat: sweet oca tubers boiled with cinnamon, then frozen overnight into a natural ice, sold in the winter markets of La Paz and El Alto.
Where does Thayacha (Andean Frozen Oca) come from?
Thayacha (Andean Frozen Oca) is a Bolivian dish from La Paz, Bolivia.
Can Thayacha (Andean Frozen Oca) be made vegan, gluten-free, or dairy-free?
This Thayacha (Andean Frozen Oca) recipe includes substitution suggestions for vegetarian, vegan, gluten-free, dairy-free, nut-free, egg-free, and pork-free versions, including several at once such as gluten-free and dairy-free together. Treat them as a starting guide rather than a guarantee, and see the allergen note below.
Is Thayacha (Andean Frozen Oca) safe for people with food allergies?
Our dietary labels and substitutions are a cooking guide, not medical or allergen-safety advice. We track dairy, egg, gluten, tree nuts and peanuts (we count coconut as a tree nut, following FDA labeling), fish, and shellfish, but we do not screen for sesame, soy, mustard, celery, or sulphites. If you have a food allergy, always read the label on every product you use, and remember a home or commercial kitchen can cross-contaminate ingredients in ways a recipe cannot control.
How long does Thayacha (Andean Frozen Oca) take to make?
About 40 minutes total (15 minutes prep, 25 minutes cooking), serving 6.
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