Buckwheat with spinach and onion

Method

1. Bring the water to a boil with some of the salt, add the buckwheat and cook, covered, for 15 minutes.
2. Take off the heat and leave covered for about 10 minutes to finish steaming.
3. Meanwhile, chop the onion and fry it in the oil until golden.
4. Blanch the spinach in boiling water for 5 minutes, cool it in cold water and squeeze it dry.
5. Chop the spinach and dress it with the lemon juice.
6. Mix the buckwheat with the onion and spinach, adjust the salt and pepper and serve.