// priority: 0

onEvent("recipes", event => {
  for (let sand_ingredient of [ "sand", "slag" ]) {
    event.recipes.createMixing("6x immersiveengineering:concrete",
      [ `2x #forge:${sand_ingredient}`, "#forge:gravel", "#forge:clay",
         Fluid.of("minecraft:water", 500) ]);
  }
});