public static List<ItemStack> getIngredientList(ItemStack itemStack) {
        itemStack = new ItemBuilder(itemStack.getType())
                .data(itemStack.getDurability())
                .build();

        Map<ItemStack, Integer> map = new HashMap<>();
        int value = map.get(item);
        for (Recipe recipe : Bukkit.getRecipesFor(itemStack)) {
            if (recipe instanceof ShapelessRecipe) {
                ShapelessRecipe shapeless = (ShapelessRecipe) recipe;

                for (ItemStack item : shapeless.getIngredientList()) {
                    if (item != null) {
                        ItemStack is = new ItemBuilder(item.getType())
                                .data(item.getDurability())
                                .build();

                        if (map.containsKey(is)) {
                            map.replace(is, value, value + item.getAmount());
                        } else {
                            map.put(is, item.getAmount());
                        }
                    }
                }
            } else if (recipe instanceof ShapedRecipe) {
                ShapedRecipe shaped = (ShapedRecipe) recipe;

                for (ItemStack item : shaped.getIngredientMap().values()) {
                    if (item != null) {
                        ItemStack is = new ItemBuilder(item.getType())
                                .data(item.getDurability())
                                .build();

                        if (map.containsKey(is)) {
                            map.replace(is, value, value + item.getAmount());
                        } else {
                            map.put(is, item.getAmount());
                        }
                    }
                }
            }
        }

        List<ItemStack> items = new ArrayList<>();
        map.forEach((k, v) -> items.add(new ItemBuilder(k.getType()).data(k.getDurability()).amount(v).build()));
        return items;
    }