NaturesAura/src/main/resources/data/naturesaura/recipes/altar/milk.json

{
    "type": "naturesaura:altar",
    "input": {
        "item": "minecraft:water_bucket"
    },
    "output": {
        "item": "minecraft:milk_bucket"
    },
    "catalyst": {
        "item": "naturesaura:conversion_catalyst"
    },
    "aura": 80000,
    "time": 200
}