To make the mochi dough, melt a bowl of ice cream in the microwave, then add the glutinous rice flour, cover the bowl with plastic wrap, and stick it back in the microwave for a couple of minutes.

Next, take your ice cube tray and gently press a portion of the mochi dough into each compartment, making sure to create a thin layer that lines the interior of the tray. Scoop a small amount of your ...