Prep Time 25 minutes mins
Cook Time 18 minutes mins
Resting Time 30 minutes mins
Total Time 1 hour hr 13 minutes mins
For best visual effect, use gel food coloring instead of liquid so the buttercream doesn’t thin out, and build the flames in layers, starting with yellow at the base, then orange, then red at the tips for a realistic gradient. If the buttercream becomes too soft while piping, briefly chill it and try again for cleaner shapes. You can flavor the chocolate portion with a little instant espresso or extra cocoa for deeper “smoky” notes, and swap biscuit crumbs for crushed chocolate cookies if you want darker “coals.” Store cupcakes in an airtight container at cool room temperature for a day or in the fridge for up to three days, bringing them back to room temperature before serving for the best texture.