When you're looking at the video page, on the left side you should see a "save" button (it has a heart next to it). Click there ot save to your favorites.
When you're looking at a recipe, there's a button to add it to your nutrition tracker.
Hope that helps!
"You may have a fresh start any moment you choose, for this thing that we call "failure" is not the falling down but the staying down." Mary Pickford