So, it’s simple. Rinse the spinach, remove all flaccid or yellowed leaves, roots. I put it in salted boiling water for 30 seconds or a minute (depending on the youth and freshness of the spinach), I throw it into a colander.
Separately fry the onion in a frying pan until dark golden brown, add a couple of tablespoons of soy sauce to the pan and simmer for about 2 minutes.