Add a recipe by name, Trello URL, or any recipe URL — lands in Unallocated until you assign it a day. Use + Idea for a meal with no recipe to fetch.
Items you usually have at home — they'll appear as a nudge instead of on the main list.
Stock-up items — not on the weekly list, but flagged when they're on special.
Supermarkets to check for specials.
Refresh the cached recipe card list from Trello.