Click on the pencil tool at the right hand side of a line item

Give a name to the recipe

Input the quantity of the recipe if you would prefer not to add it to the line item.

Select the library items

Add the quantity of each item

Click on "save and update price" if you would like the recipe cost to override the line item's price, or on "save" if you would like the price of the line item to remain as it is prior to the recipe

The Cost is the addition of the cost of each item within the recipe

The Recipe Retail Price is that same cost including markups

The Total Retail Price is the addition of the cost of each recipe within that line item

The Invoice Price is the price showing on the line item