Now you have this window, just enter the name of the category as you want to see it. For example, give it the name Recipes, save it and you will now see the recipe category everytime you sign on.
You will now receive this window for the recipe category. Provide a rememberable name for the entry - like All Recipes for all recipes.com. Then open a tab, go to the site and then copy and paste the url into the url line.