- Go to Your Menu > Menu Items
- Click the category where the item is you'd like to edit
- Click the menu item
- Scroll down and turn on Make unavailable when quantity is 0
- Once you have turned this on, a Stock Quantity field will appear below
- Add the amount of stock you have for that menu item
Each time a customer purchases this menu item, the stock count will be reduced. Once it reaches 0, the item will show as unavailable for the customer.