Nationwide Yummy Things Convention

That's an awkward but direct translation of the title of an event my daughter and I went to at Sogo, the only major department store in Tokushima City, across the river from where we live. The only thing we bought was warabi mochi, mochi flavored with fiddlehead ferns and dusted with kinako (roasted soybean flour). It's very Japanese, pretty sweet, and really yummy.

The word yummy is used rather more widely by Japanese speakers of English than by native speakers. It's taught before the word delicious and I think Japanese teachers of English don't emphasize the fact that the latter is used more often by adults than the former, especially in less casual contexts.