Some Traditional food items of Brazil as listed in http://www.cookbrazil.com/

FEIJOADA
(Black beans and pork stew)
The slaves in the colonial Brazil created the "Feijoada". They started cooking the pork meats that Farmland owners discarded such as ear, tails, feet in a big pot with black beans. This dish became traditional all over the country. Since then, the dish was incremented with pork sirloin and sausages that transformed the menu in a famous entrée that everybody who visit Brazil have to taste.

PĆO DE QUEIJO
(Cheese rolls)
the Pća de Queijo history, the slaves used to crop manioc (yucca root), peel them off, finely grate them, and soak them in a big wood bowl (gamela) with plenty of water. So they wash and drained this grated manioc, then spread this manioc on a tiled floor outdoors and let it dry under the sun. When dried, they scraped this manioc into big bags and stored them for food consumption throughout the year.
This was a noble food prepared to the farmland owners. Therefore slaves were not supposed to eat them. Even today this manioc flour is largely used in Brazilian cuisine…. hard working slaves end it up with a fine white powder left in the big wood bowls after taking out the manic flour. This was the manioc starch that dried out in the “gamelas” after preparing the manioc flour. The manioc flour had the starch washed out that’s why the sandy appearance.
So the slaves managed to scrape this white starch off the gamelas, make small balls and bake them. This manioc starch balls had neither cheese nor milk in it, just plain manioc starch. These baked balls became popular among the slaves and rich people just discarded this type of food.
More than 200 years latter, cattle farms became widespread in Brazil and slaves (that were being freed by that time) gained access to better foods such as milk and cheese. So they began to increment the baked balls with milk and ultimately cheese!
When Brazil had no more slaves, their culture began to spread among the rest of the population. And Pćo de Queijo became popular

BOLINHO DE CHUVA
Brazilian doughnuts
Bolinho de chuva is traditional all over Brazil. It is served for breakfast or tea time. The recipe below is for the sweet version. You can also make a salty bolinho de chuva by replacing the sugar with one teaspoon of salt and some chopped green onions.
Either way, sweet or salty they are delicious. When you deep fry them they get some crunchy peaks that are fun to eat. Bolinho de chuva means “donut of rain”.