Combine the chickpea flour with a pinch of salt and two spoonful of oil in a bowl. Then pour the water keeping on stirring the mixture until the batter is smooth and soft. Finally add the leeks.
Heat abundant seed oil in a frying pan, scoop the batter and put the portions into the oil one at a time. Flip the croquettes and remove them from heat when golden brown.
Dry them well with kitchen paper and serve warm.
Leeks are rich in minerals and contain much more calcium, potassium, iron, phosphorus than onions. They also have a double amount of vitamin C and proteins than garlic and onions.