Hi @Holly_Weidman , welcome to the forum 
Have you had a chance to look at your ‘Starred’ section in the sidebar? This used to be your ‘Favorites’ section where you likely had the projects you are looking for.
You can read more about the changes in a post I created to help teams prepare for the new sidebar redesign here: ✅ Ultimate Guide to the new Sidebar redesign: Get your team prepared!