What restaurant next?

I just finished all sushi levels with 3 stars (had high hopes for a decent amount of gems in the chef‘s box, but got 12 :( ) and wondering where to next?

Currently owning

-Gourmet -Crazy Dog -Pizzeria (not an option, too expensive regarding gems)

Idk, whats more fun to play? Or less frustrating? Already at level 19 (not three stars tho) in Gourmet bc of some earlier gaming a few years ago, though maybe Crazy Dog is easier and faster?

Finished:

-Fast Food -Bakery -Sports Bar -Sushi

Thanks!!