Honeycomb brittle is the showpiece — you add bicarbonate to hot sugar and it erupts into three times the volume in about two seconds, and the whole call went silent watching it happen. Chef Emily warned everyone to have the tray ready because there is genuinely no time to find one. She was also firm about not stirring it afterwards, which collapses all the air you just created. The peanut butter cups are the easy half and mostly about tempering the chocolate enough that it snaps.
Rowan