ServerEvents.recipes(event => { event.custom({ type: 'create:filling', ingredients: [ { 'tag': 'minecraft:planks' }, { 'fluidTag': 'forge:creosote', 'amount': 125 } ], results: [ { 'item': 'immersiveengineering:treated_wood_horizontal' } ] }).id('kubejs:create/filling/treated_wood') })