You can access your saved recipes under the Saves icon in the menu at the bottom of your screen.
On your Echo Show, first launch the app by saying, “Alexa, open Food Network Kitchen." Then say "Alexa, show me my saved recipes.”
From the website at FoodNetwork.com, you can quickly navigate to your saves by clicking the bookmark icon to the right of the search bar and left of your profile icon.
This will bring you to the following screen, where you can access all of your recipes, classes, videos, collections and boards.