How to cook buckwheat porridge with mushrooms: Sort the buckwheat groats, place in a saucepan, rinse and pour 2 glasses of cold water. Season with salt and vegetable oil. Boil. Cover the saucepan with a lid and cook over low heat until the liquid boils out ~ 25-30 minutes.
While the porridge is cooking, cook the mushrooms. Wash and chop the mushrooms. Peel and chop the onion. Fry mushrooms in vegetable oil in a pan. Then add the onion and simmer all together. Season with salt and pepper. You can add a couple of tablespoons of lean mayonnaise.
Pour the prepared porridge into a plate, pour our mushrooms on top. Serve buckwheat porridge with mushrooms with fresh tomato.