This is not one of Ana's original recipe ideas, though it sounds like it could be. It turns out that rose petals are edible, something your humble editor did not know. There are recipes for them easily available online, which is how Ana came up with the two dishes pictured here. Because they are readily available, there's no need to duplicate the recipes here. A search engine will turn them up quickly. If you are curious, I believe Ana used Epicurious.
Being from another planet, Ana is perhaps more receptive to unusual recipe ideas than the rest of us.
One of these is a rose petal salad and the other is a rose petal candy. We can't speak for the taste, but both dishes certainly brighten up a table!
(See more recipes in the Table of Contents in the right column.)