registration

public class Registration {
    public static final DeferredRegister<Item> ITEMS = DeferredRegister.create(ForgeRegistries.ITEMS, weebfood.MOD_ID);

    public static void register() {
        IEventBus modEventbus = FMLJavaModLoadingContext.get().getModEventBus();
        ITEMS.register(modEventbus);

        modItems.register();
    }
}

public class modItems {
    public static final RegistryObject<Item> thighken = Registration.ITEMS.register("thighken", () -> new Item(new Item.Properties().group(ItemGroup.FOOD).maxStackSize(64).food(modFoods.THIGHKEN)));

    static void register() {}

}