Butterbur, Bree Innkeeper

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

• WWizards of the Coast2023-06-16
  Official Ruling
  Butterbur, Bree Innkeeper's ability checks if you control a Food at the beginning of your end step. If you do, the ability won't trigger.
• WWizards of the Coast2023-06-16
  Official Ruling
  If the ability does trigger, but you control a Food when it tries to resolve, the ability will do nothing. No Food will be created.
• WWizards of the Coast2024-11-08
  Official Ruling
  Whatever you do, don't eat the delicious cards.
• 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.

Rulings via Scryfall