Goguma bread (koguma pan) is a mochi-textured, sweet potato-filled baked good that originated in Korean cafés, took Japanese café culture by storm, and is now one of the hottest viral food trends hitting the US in 2026. Here's everything you need to know, including where to find it and how to make it at home.

Japanese home cooking is crossing over from niche to mainstream in American kitchens in 2026, driven by gut health awareness, Blue Zone longevity science, social media, and growing access to authentic ingredients like miso, dashi, and natto.