{
  "format_version": "1.20.10",
  "minecraft:recipe_furnace": {
    "description": {
    "identifier": "minecraft:furnace_stone"
    },
	"unlock": [
      {
        "item": "minecraft:stone",
		"data": 0
      }
    ],
    "tags": [ "furnace" ],
    "input": "minecraft:stone:0",
    "output": "minecraft:smooth_stone"
  }
}