Feather Cookie is a holiday-exclusive ingredient in Papa's Cakeria HD. It is unlocked on the day after reaching Rank 22.
Feather Cookie is a holiday-exclusive topping available in Papa's Cupcakeria Deluxe during Thanksgiving. The topping is unlocked with Daisy at Rank 38.
Feather Cookie is a holiday-exclusive placeable available to customers during Thanksgiving in the sweet version of Papa's Crêperia. The placeable is unlocked with Jett when the player reaches Rank 56.