Equipment
* optional
Ingredients
yuca cooking base
- 1200 g yuca root, raw, unpeeled
- 2500 ml water
- 15 g fine sea salt
dairy and seasoning
- 200 ml whole milk, liquid
- 60 ml heavy cream, liquid
- 70 g unsalted butter, cubed, room temperature
- 4 g fine sea salt
- 1 g ground white pepper
- ½ g ground nutmeg
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 380 kcal
- Protein
- 4 g
- Carbohydrates
- 59 g
- Fat
- 15 g
- Sugar
- 5 g
- Saturated Fat
- 9 g
- Water
- 127 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Peel the yuca roots using a chef's knife on a cutting board, removing both the tough waxy brown bark and the fibrous pinkish-white sub-layer to expose the solid white core flesh.
Chop the peeled yuca crosswise into uniform 5 cm (2 inch) cylindrical chunks.
Boil 2500 ml of water combined with 15 g of fine sea salt in a large pot over high heat until vigorous bubbling occurs at 100°C (212°F).
Simmer the chopped yuca submerged in the boiling water over medium heat for 25 minutes at 98°C (208°F), until a fork slides completely through the thickest piece with zero resistance.
Drain the cooked yuca thoroughly through a colander and allow it to steam-dry for 2 minutes to eliminate excess moisture.
Core the hot yuca pieces by splitting each chunk in half lengthwise along its natural seam with a chef's knife and pulling out the tough, fibrous longitudinal central cord.
Simmer the whole milk, heavy cream, and cubed unsalted butter in a small saucepan over medium-low heat at 65°C (149°F) for 3 minutes until the butter is completely melted and the mixture is steaming hot.
Puree the warm, cored yuca pieces by pressing them immediately through a potato ricer directly back into the warm large pot while the starch remains steaming hot.
Stir the warm dairy and melted butter mixture into the riced yuca in three equal additions over very low heat using a silicone spatula until completely emulsified and glossy.
Season the purée by folding in 4 g of fine sea salt, ground white pepper, and freshly grated nutmeg until evenly incorporated throughout the mixture.
Plate the warm yuca purée into a preheated serving platter, smoothing the surface into decorative swoops using the back of a silicone spatula.
Serve the hot yuca purée immediately while steaming, using a digital food thermometer to confirm holding temperature remains above 60°C (140°F) for service alongside holiday roasts or braised meats.
Chef's Notes
- Raw yuca selection: Choose roots that are rock-firm with intact waxy skins and zero soft spots. When sliced, the interior must be brilliant chalky white; immediately discard any roots showing blue, gray, or brown vascular streaking as they taste unpleasantly bitter and remain hard when boiled.
- Thermal starch management: Pass the boiled yuca through the ricer while it is piping hot. If allowed to cool before mashing, cassava retrogrades into a dense crystalline structure that will turn rubbery when worked.
- Controlled dairy emulsion: Warm your milk, cream, and butter together before folding into the starch. Incorporating cold dairy shocks hot yuca starch, causing rapid cooling and preventing the fat globules from forming a smooth emulsion.
- Brazilian festive enrichment: For an authentic celebratory touch during Christmas or Thanksgiving, fold in 60g of finely grated Queijo Meia Cura, Queijo Coalho, or Aged Parmesan during the final seasoning step.
Storage
Refrigerator: 4 days — Store chilled in an airtight container. Reheat thoroughly until the internal temperature reaches at least 74°C (165°F), loosening with warm milk as needed.
Freezer: 1 month — Freeze in an airtight freezer bag with air expelled. Thaw overnight in the refrigerator before reheating.
Reheating: Reheat in a heavy saucepan over medium-low heat or in a microwave-safe dish, stirring frequently and incorporating warm whole milk in 15 ml additions until velvety, reaching a safe minimum internal temperature of 74°C (165°F).
Troubleshooting
Purée turns gummy, sticky, and paste-like rather than fluffy and creamy
Cause: The yuca was over-whipped or blended with a motorized blade, destroying the starch granules and releasing excess amylose
Fix: Cannot be fixed
Prevention: Never use an immersion blender, stand mixer, or food processor; process only through a manual potato ricer while hot
Hard, fibrous threads are present throughout the finished purée
Cause: The woody central fibrous cord running down the spine of the yuca root was not removed after boiling
Fix: Pass the warm purée through a medium-mesh drum sieve to trap the fibrous strands
Prevention: Halve every boiled chunk lengthwise and manually pry out the translucent fibrous root core before ricing
The purée stiffens rapidly into a dense, unyielding block
Cause: Cassava starches retrograde quickly as temperature drops below 55°C (131°F)
Fix: Set over low heat and fold in 30 to 60 ml of warm whole milk with a silicone spatula until supple and smooth
Prevention: Keep the purée warm over a low double boiler and fold in the dairy warm rather than cold
Cultural Context
Known across Brazil as pure de mandioca or pure de aipim, this dish celebrates an indigenous staple that has nourished South America for millennia. Cassava is deeply woven into Brazilian identity, transforming humble farm tables and festive urban banquets alike. Served frequently at Christmas and Thanksgiving feasts alongside roast turkey or festive pork pernil, this comforting purée offers a uniquely velvety, tropical alternative to traditional mashed potatoes.
