NaturesAura/src/main/resources/data/naturesaura/recipes/hopper_upgrade.json

{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        "RIR",
        "IEI",
        "RHR"
    ],
    "key": {
        "H": {
            "item": "minecraft:hopper"
        },
        "I": {
            "item": "naturesaura:infused_iron"
        },
        "R": {
            "tag": "forge:ingots/iron"
        },
        "E": {
            "item": "minecraft:ender_pearl"
        }
    },
    "result": {
        "item": "naturesaura:hopper_upgrade"
    }
}