After some coffee we all went into our small forest to collect Pinhão from the Araucária trees which are very common around here. The Pinhão nut is very similar to a Chestnut in texture and flavour. The way to get them is to climb up the tree with a long stick and prod all the fruits that are ready so that they break open and all the nuts (often a hundred in each fruit) pour to the ground. The trees are very tall and have no branches for the first ten metres or so and the trunks are too wide to reach around, so the climber uses a rope and special boots to climb the tree as shown below.
The nuts come packaged in a large spherical fruit which contains sixty to a hundred Pinhão. When the fruits are ripe they fall to the ground and shatter scattering the Pinhão around the base of the tree. Also we found that most of the fallen ones are actually due to monkeys breaking them to eat the Pinhão rather than them having naturally fallen.
They can be boiled to be chopped up and used in various dishes like pesto or soup. Also a simple way to cook them is to put many into a large frying pan directly over the flames and keep moving them so all their sides get cooked. When they're quite black they can be opened very easily and eaten straight away. They're very similar to pine nuts, in fact many people don't know the difference, for example the English wikipedia article for pine nut links to the Pinhão article in the Portguese Wikipedia. The normal pine nut is called "Pinha" which comes from a pine tree (Pinheiro), and "hão" on the end of words means "big", so Pinhãos are big pine nuts :)
But my favourite method of cooking them was introduced by our local friend Eduardo and is called Sapeco. This method is really nice because it's about cooking the Pinhão with the tree's own fallen leaves ("Grinfa") and nothing more. You stack the Grinfa up in a big pile with an indentation in the top to pour the Pinhão into.
The Grinfa are extremely easy to light, even when they have moisture on them you can get them going with a lighter or match with no need for anything else like paper. It's best to light it at three or four locations around the base so it burns evenly. Once it gets going it's like a volcano with really thick smoke and gets really hot. After a few minutes it's all burned and collapsed down, and you then scrape the cooked Pinhão out of all the ashes to eat them. Here's some pictures of us having them for breakfast with Chimarrão :-)