Before the introduction of the sliced onion on the chopping block. Carpet cutting board with vinegar should be mixed first. Because vinegar is effective in inhibiting the distribution of sulfur compounds in onion.
Before to put onion and sliced on a cutting board. Should the carpet in front of the butcher with the vinegar mixture. Because vinegar is a milieu in which inhibits the spread of sulfur in the onion.
before you put onion, sliced on the chopping board chopping block should be carpet mixed with vinegar vinegar first, as there is of brass, to inhibit the spread of the substances of sulfur in onion