This recipe for butter mochi, made by heating mochi rice cakes in the microwave, boasts an irresistible chewy texture. It requires only five ingredients: mochi rice cakes, water, butter, sugar, and egg yolks—no flour or cream needed. Simply microwave for 3 minutes, mix, and let it cool and harden. The gentle sweetness and rich buttery flavor make it perfect as a snack. You can also pan-fry it for a browned butter and soy sauce flavor for a crispy and fragrant treat. This easy-to-make treat offers a variety of textures—chewy when chilled, and gooey when warmed.