You can add prices to any item on your menu! However, the steps for adding containers to beer vs non-beer items is slightly different.
Before you begin, make sure prices are activated in the Menu Settings, otherwise they won't show up in the app:
Adding Prices to Beer
Go to a menu, open the section where the beer that you want to price is located, and click on it. You will then see the option to add a container near the bottom of the item's details:
Click the Containers dropdown menu to choose a container size, which will allow you to add a price. If you've set up Favorite Containers for this menu, you'll see those containers in the area under the dropdown list for you to click on and select instead. Make sure to click the Done button at the bottom of the page to save your work.
Don't forget you can also bulk add prices to your beer sections. HERE is how.
Adding Prices to Non-Beer items
Go to the non-beer item you would like to edit and click on it to open up the setup panel on the right. At the very bottom you will see the section called Containers. This is where you will be able to enter a container type or size (if you wish), AND add a price: