Brazilian Mashed Black Beans with Cassava Flour

Brazilian Mashed Black Beans with Cassava Flour

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Tutu de Feijão is a classic Minas Gerais comfort dish that transforms humble cooked black beans into a thick, rustic mash bound with toasted cassava flour. Smoky bacon, garlic, and scallions season the beans, while the farofa absorbs the cooking liquid to create a soft, slightly crumbly texture. It's traditionally served with rice, sautéed collard greens, and a fried egg or pork sausage.

Prep Time15 mins
Cook Time90 mins
Total Time105 mins
Servings4
Yield4 servings

Nutrition Facts

Per serving (estimated)

  • 385 kcalCalories
  • 14 gFat
  • 5 gSaturated Fat
  • 52 gCarbs
  • 13 gFiber
  • 2 gSugar
  • 16 gProtein
  • 620 mgSodium
  • 780 mgPotassium
  • 90 mgCalcium
  • 4.5 mgIron
  • 6 mgVitamin C
  • 40 mcgVitamin A

Ingredients

For the beans

  • 1 cup (200 g) dried black beans, rinsed and picked over
  • 6 cups (1.4 L) water
  • 1 bay leaf
  • 1 tsp salt

For the tutu

  • 4 oz (115 g) thick-cut smoked bacon, diced
  • 1 tbsp lard or neutral oil
  • 1 small yellow onion, finely chopped
  • 3 garlic cloves, minced
  • 2 scallions, thinly sliced (whites and greens)
  • 1/2 tsp salt, plus more to taste
  • 1/2 tsp freshly ground black pepper
  • 1 1/4 cups (150 g) toasted cassava flour (farinha de mandioca torrada)

Directions

  1. Soak the dried black beans in cold water for at least 4 hours or overnight, then drain. Combine the soaked beans, 6 cups fresh water, and bay leaf in a large pot. Bring to a boil, reduce heat, and simmer uncovered for 60-75 minutes until the beans are very tender but still holding shape. Season with 1 tsp salt and simmer 5 more minutes.
  2. While the beans cook, render the diced bacon in a wide skillet over medium heat for 6-8 minutes until the fat melts and the pieces turn golden and crisp. Use a slotted spoon to transfer the bacon to a small bowl, leaving about 2 tbsp fat in the pan (add lard if needed).
  3. Add the chopped onion to the skillet and sauté for 4-5 minutes until translucent. Stir in the garlic and scallion whites and cook for 1 minute more until fragrant.
  4. Drain the cooked beans, reserving 1 1/2 cups of the cooking liquid. Add the beans directly to the skillet and mash them with a wooden spoon or potato masher, leaving about a third of the beans partially intact for texture.
  5. Pour in 1 cup of the reserved hot bean liquid and stir until smooth and creamy. Slowly sprinkle in the cassava flour, folding it in a little at a time, until the mixture thickens into a soft, cohesive mash that holds its shape on a spoon but stays moist. Add more bean liquid if it gets too dry.
  6. Stir in the reserved crispy bacon, the scallion greens, black pepper, and additional salt to taste. Cook 2-3 more minutes, stirring, until heated through.
  7. Serve immediately, mounded alongside white rice, sautéed collard greens (couve refogada), and a runny fried egg or grilled pork sausage.

Cook’s Notes

  • Toast the cassava flour briefly in a dry skillet over medium heat for 2-3 minutes if it isn't pre-toasted; this deepens the nutty flavor.
  • The texture should be soft and spreadable, not dry and crumbly like farofa. If your mash tightens as it sits, stir in a splash of hot water or bean broth to loosen it.
  • For a smokier profile, substitute the bacon with diced linguiça calabresa or smoked pork shoulder (torresmo).
  • Always add the cassava flour gradually; it absorbs liquid fast and can turn the mash gummy if dumped in all at once.
  • Tutu de Feijão thickens as it cools, so loosen leftovers with a few tablespoons of water or broth when reheating on the stovetop.