*HOW TO CHAR ONION AND GINGER
To char ginger and onions as required above, hold the ingredient with the tongs directly over an open flame or place it directly on a medium-hot electric burner. Char, turning frequently, until the edges are slightly blackened and the ginger and onion are fragrant, 3 to 4 minutes. Peel and discard the blackened skins of the ginger and onions. Rinse what remains of the ginger and onion and add to the broth.