Mushroom, onion and leek puree for Thermomix

Put the mushrooms, leeks, onion and oil in the glass and for 7 minutes put the thermomix on speed 4 at 100grados. As soon as the first minute of the seven is over, turn the thermomix down to speed one and leave the other 6 minutes at speed one.

Add the broth and pepper and cook at speed 1 for 20 minutes at 100 degrees Celsius.

When finished, let it cool a little and then add the cheese (optional) and blend changing speed 5 to 10 and the time depending on whether you like them with more or less lumps.