{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://example.com/recipe.json",
    "title": "Recipe",
    "description": "Recipe",
    "type": "object",
    "required": [ "title" ],
    "additionalProperties": false,
    "properties": {
        "title": { "type": "string" },
        "ingredients": {
            "type": "array",
            "items": {
                "$id": "https://example.com/ingredient.json",
                "type": "object",
                "additionalProperties": false,
                "required": [ "name" ],
                "properties": {
                    "name": { "type": "string" },
                    "amount": { "type": "number" },
                    "unit": { "type": "string" },
                    "or": { "items": { "$ref": "/ingredient.json" } },
                    "note": { "type": "string" }
                }
            }
        },
        "steps": {
            "type": "array",
            "items": { "type": "string" }
        },
        "parts": {
            "type": "array",
            "items": { "$ref": "/recipe.json" }
        }
    }
}