I recently visited the popular cake shop Patisserie KOSAI in Mito City — and what a treat it was!

Their display case was filled with beautiful, mouthwatering cakes that made it hard to choose… but I finally settled on the Mont Blanc made with Iwama chestnuts 🌰

To my delight, it had a whole chestnut inside, and the presentation was just adorable.
Kasama is known for its Iwama chestnuts, so seeing a local ingredient featured like this gave it an extra special feeling.

The flavor? Rich and refined — you can really taste the natural sweetness of the chestnut. It was absolutely delicious!

My personal favorites also include their cream puffs and macarons.
Every macaron flavor I’ve tried has been a winner — I find myself coming back for more!

Whether you’re treating yourself or picking up a gift, this patisserie is the perfect stop for something sweet. 🍬✨

🏠 Shop Information

Patisserie KOSAI
2238-6 Motoyoshidamachi, Mito City, Ibaraki
Hours: 10:00 AM – 6:00 PM
Closed: Irregular holidays