It is best to soak the lentils for at least 4 hours, then the cooking time is reduced to about 10 minutes.
Cook the lentils almost cooked in unsalted water according to the instructions on the packet. Just before the end of the cooking time, season with salt and finish cooking. Pour into a sieve and allow to drain.
Finely dice the onion, peel the garlic clove, cut the spring onion into rings and 50-75 g chorizo into small pieces.