Well, Tokyo food is great, but Osaka just does it better. Actually, I have read and heard that from Japanese people. Of course, there are regional biases, but that is the general consensus that I feel my Japanese friends have.

Osaka seems to lack the cultural variety that Tokyo has, and the citizens of Osaka make up for that by gastronomic adventures.
From http://www.osaka-info.jp/en/
We are proud of being the 'Food Capital' of Japan. Let us boast about the wide selection of delicious food we are waiting to serve you.