Taste of Death

• WOTC Official Reminder Textofficial rules
  Food — , , Sacrifice this artifact: You gain 3 life.

• WWizards of the Coast2019-10-04
  Official Ruling
  You create three Food tokens, no matter how many creatures were actually sacrificed, even if some or all players sacrificed no creatures.
• WWizards of the Coast2019-10-04
  Official Ruling
  If a player controls three or fewer creatures, that player sacrifices each creature they control.
• WWizards of the Coast2019-10-04
  Official Ruling
  As Taste of Death resolves, first the player whose turn it is chooses three creatures they control, then each other player in turn order does the same, knowing the choices made before them. Then all the chosen creatures are sacrificed at the same time.
• WWizards of the Coast2024-11-08
  Official Ruling
  Food is an artifact type. Even though it appears on some creatures, it's never a creature type.
• WWizards of the Coast2024-11-08
  Official Ruling
  You can't sacrifice a Food to pay multiple costs. For example, you can't sacrifice a Food token to activate its own ability and also to activate Maraleaf Rider's ability.
• WWizards of the Coast2024-11-08
  Official Ruling
  Whatever you do, don't eat the delicious cards.

Rulings via Scryfall