core/homeassistant/components/cookidoo/icons.json

{
  "entity": {
    "button": {
      "todo_clear": {
        "default": "mdi:cart-off"
      }
    },
    "todo": {
      "ingredient_list": {
        "default": "mdi:cart-plus"
      },
      "additional_item_list": {
        "default": "mdi:cart-plus"
      }
    }
  }
}