minecraft-assets/data/minecraft/recipes/cake.json

{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "AAA",
    "BEB",
    "CCC"
  ],
  "key": {
    "A": {
      "item": "minecraft:milk_bucket"
    },
    "B": {
      "item": "minecraft:sugar"
    },
    "C": {
      "item": "minecraft:wheat"
    },
    "E": {
      "item": "minecraft:egg"
    }
  },
  "result": {
    "item": "minecraft:cake"
  }
}