Put Some Salt on the Onions?

A top chef lost his sense of taste due to an accident, but he still managed to win the title of Chef God for three consecutive years by cooking onions in tears. The food detective secretly investigated and found that he took out white powder of unknown origin from the safe every night. During the surprise inspection, everyone was shocked: it was just an ordinary salt shaker, and the safe contained the urn of the youngest son. The child loved to eat the onion rings he made during his lifetime. The recipe was a secret recipe for masking the bitterness of the son during chemotherapy. He repeated the cooking process mechanically: "Peel away the layers of lies, and the core is filled with sweetness that you can never taste again."