{
  "format_version": "1.20.10",
  "minecraft:recipe_furnace": {
    "description": {
    "identifier": "minecraft:furnace_red_sandstone"
    },
  "unlock": [
      {
        "item": "minecraft:red_sandstone"
      }
    ],
  "tags": [ "furnace" ],
  "input": "minecraft:red_sandstone",
  "output": "minecraft:red_sandstone:3"
  }
}