{
  "parent": "cnk:cookbook/root",
  "criteria": {
    "requirement": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {
        "items": [
          {
            "items": "minecraft:poisonous_potato",
            "predicates": {
              "minecraft:custom_data": {"cnk":{"ingredient":{"type":"grazing_board"}}}
            }
          }
        ]
      }
    }
  },
  "rewards": {
    "function": "cnk:cookbook/grant/grazing_board"
  }
}