Little Loki, only 12 years old, thought himself very clever.
With a few whispered words, insects appeared in the pies at the feast, making Odin yell at the head servant while the other servants removed the pies.
Since no one was paying attention to him, Loki sneaked away with the servants, ordering them to put the pies in his room for inspection.
The servants, weary and a bit afraid of punishment from Odin, did as he asked without thinking more closely on the matter, leaving Loki able to stuff his face with pie all night while giggling at his prank.
Author's note: Beta'd by Midnight Spiral. Inspired by this ask-frostiron tumblr com/post/40732955562/tony-cake-loki-what-sort-of-idiotic-question Not sure when pies were first invented, but let's pretend it was long ago and Asgardians picked up the recipe while visiting Earth.