The phrase "best falafel" refers to the highest-quality and most delicious version of the Middle Eastern dish made from ground chickpeas or fava beans. It implies that it is exceptionally tasty and satisfying. Full definition
I complained in my first falafel post that I couldn't find good falafel in my current neck of the woods. (connoisseurusveg.com)
We had an awesome talk with good falafel then we walked around this crazy grocery store. (witandvinegar.com)
We were not extremely impressed with Vientiane, but they did have some interesting temples to explore (and really good falafel — but we will save that story for another time). (ordinarytraveler.com)