You can’t but you can move the inventory to cost of sales if you use a “zero value sales invoice”.
You only list the used inventory quantities on the sales invoices without entering any sales values.
Read this topic: Periodic Manual Inventory Adjustment
Using a bar as an example, it sells drinks as spirit nips.
At the end of the day / week / month, you would create a “zero value sales invoice” for the quantity only of empty bottles counted for each spirit.