Add to boiling salted water, and cook until they're soft enough to eat. This should take around 30 minutes but it depends on the variety of the lupini beans you're using.
Rinse the beans, then add lemon juice, ground cumin, and salt. Give it a good mix so cumin and salt and well distributed.
Sprinkle with chopped parsley and serve!
Lupini beans used in this recipe are "sweet" lupini beans that don't require to be soaked in water for days. If you're using a bitter variety, then you will need to soak them in water for days and keep changing the water twice a day.
If you are allergic to peanuts, double-check that you're not allergic to lupini beans as well before eating them.
The beans are eaten cold and are stored in the fridge in an airtight container for up to 3 days.