Place a steaming basket on a pot with water over high heat. The basket should not touch the water

Add <quantity>70<unit>g</unit></quantity> of glutinous rice flour to a bowl. Gradually add <quantity>70<unit>ml</unit></quantity> of water, stirring in between batches until the dough comes together

Add <quantity>30<unit>g</unit></quantity> of powdered sugar and <quantity>1<unit>tsp</unit></quantity> of cocoa powder. Mix until homogeneous and creamy

Place the bowl in the steamer and cover it. Steam the dough for 5m to cook until slightly sticky

Stir the dough to break it up

Place the bowl back in the steamer for 5m to cook further

Pound the dough until it starts to become elastic

Cover a work surface with tapioca starch

Place the mochi dough on the surface and dust your hands with the starch. Divide into <quantity>6</quantity> equal parts while still warm, and flatten each with your fingers. The chocolate mochi dough is ready

Pair it with your favorite filling and enjoy!