[Harry passes through the kitchen again while Tim's out getting rid of the evidence and, after snagging a couple cookies for himself, he finds that there are less of them than when he left, much to his delight. So, he leaves another note.]
Geez, you didn't have to eat them all at once! It's not like they'll go bad or anything. Good to know you liked them so much though! Guess I'll have to make more of them next time, huh?