ActuallyAdditions/src/main/resources/data/actuallyadditions/recipes/tiny_coal.json

{
  "type": "minecraft:crafting_shapeless",
  "ingredients": [
    {
      "item": "minecraft:coal"
    }
  ],
  "result": {
    "item": "actuallyadditions:tiny_coal",
    "count": 9
  }
}