Hamper of Gwyddno Garanhir & Knife of Llawfrodedd the Horseman

You can use an action to cast _create food and water_ by putting 1d4 _Supply_ into this large wooden basket or using this cutting knife to prepare a 1d4 Supply. You cannot use food created in this way to activate either of these magic items.

Source: Level Up Advanced 5e · OGL-1.0a · 5.1