It’s an ingredient found in many cuisines around the world, prized for its soft texture, versatility, and subtle flavor. Yet, behind its seemingly harmless appearance, cassava hides a lesser-known—and potentially concerning—side. What if one of the world’s most consumed foods was also one of the riskiest if improperly prepared?
An everyday food… but handle with care
Cassava, also called sweet or bitter cassava , is a tropical root that has been cultivated for centuries, particularly in South America, Africa and Asia. Every day, nearly 500 million people consume it, in the form of puree, fries, pancakes or even flour.
But be careful: cassava, especially in its so-called « bitter » version , naturally contains compounds called cyanogenic glucosides. Put like that, it sounds very technical… and it is a little. But just remember this: these substances, if not eliminated, can produce cyanide. Yes, that well-known poison, often mentioned in detective novels or spy movies.
Why is it called “the most dangerous food in the world”?
This somewhat alarming nickname comes from the fact that, each year, around 200 people worldwide lose their lives after consuming poorly prepared cassava. This happens especially in contexts of crisis, famine, or extreme poverty, where preparation methods are sometimes shoddy out of necessity.
The World Health Organization itself reminds us that « cassava must be processed correctly to avoid dangerous exposure to cyanide . » So it’s not a question of stopping eating this root, but of knowing how to cook it properly!
A little-known disease linked to cassava: konzo
In some areas of extreme poverty, people can develop a serious neurological condition called konzo. It manifests as sudden muscle weakness, especially in the legs, and can leave irreversible damage.
The cause? Bitter cassava consumed without proper processing, combined with a diet very low in protein. Because protein, in fact, helps our body defend itself against the effects of cyanide.
So, should we remove cassava from our menus?
Good news: absolutely not, as long as you prepare it correctly ! Here are a few simple steps to take to enjoy this tuber safely:
- Always cook it : raw cassava should be avoided, especially its leaves and skin.
- Soak it : In some recipes, cassava is grated and then soaked in water for 24 to 48 hours, which helps eliminate toxins.
- Peel it carefully : it is in the skin that the undesirable substances are most concentrated.
- Consume it as part of a balanced diet , particularly rich in protein (eggs, fish, legumes, etc.).
Cassava: friend or foe?
Like many foods, it’s all a matter of dosage, context, and preparation. It’s not the cassava itself that’s dangerous, but neglecting its processing. In many cultures, these skills are passed down from generation to generation—and that’s what makes this tuber as precious as it is universal.
So, if you’re looking to try a new recipe from elsewhere or add a touch of originality to your dishes, why not try cassava? Properly prepared, it can become a healthy, tasty, and original staple.
Because a well-prepared dish is also a great way to take care of yourself.
