I replicated this with a few packages of crescent rolls, brushed lightly with an egg wash, and served it with herb butter. It was very easy to pull apart the individual pieces, and turned out really pretty. Would definitely make again.
We use pesto in quite a few of our recipes at the Tomato. Here's a recipe to try for yourself to attempt beating our chicken pesto sandwich! This site also gives you some great ideas on other dishes that you can also use pesto in.