James had just had time to pull on his pyjama pants and a pair of slippers before Lily had his hand and was dragging him along the corridor. He stifled a laugh as they sneaked into the kitchen, but didn't bother to hide his grin.
"Your grandmother's the best," he agreed, winking at Lily as he opened a cupboard and began digging around for the chocolate powder. He had it a moment later and tossed the canister to Scorpius. "There, that ought to get us started."