{
  "format_version": "1.20.10",
  "minecraft:recipe_furnace": {
    "description": {
      "identifier": "minecraft:furnace_cracked_polished_blackstone_bricks"
    },
    "unlock": [
      {
        "item": "minecraft:polished_blackstone_bricks"
      }
    ],
    "tags": [
      "furnace"
    ],
    "input": "minecraft:polished_blackstone_bricks",
    "output": "minecraft:cracked_polished_blackstone_bricks",
    "priority": 340
  }
}