Jessakkuh (it's a pun!) is an 8-part fic posted over Hanukkah 2011. It's a Sammyverse story in which Jess is Jewish and Dean comes to Stanford to spend Hanukkah with her and Sam. They get snowed in. Sam has a cold and Jess has a secret.
Night #1 in which Dean arrives at Stanford, Sam gets stoned on Nyquil, and Jess starts asking questions. (2,959 words)
Night #2 in which Dean tells lies, Sam runs a fever, and Jess makes soup. (2,071 words)
Night #3 in which Dean loves up on Sam, Sam plays in the snow, and Jess needs rescuing. (2,230 words)
Night #4 in which Dean plays therapist, Sam makes fridge-dump pasta, and Jess gives presents. (1,888 words)
Night #5 in which Dean gets weird when Sam gets weird, Sam makes it less dark, and Jess wakes up Dean. (764 words)
Night #6 in which Dean does not cry, Sam does (but just from the meds), and Jess does (but not in front of Sam). (2,446 words)
Night #7 in which Dean lights the candles, Sam's fever breaks, and Jess gets her answer. (1,363 words)
Night #8 in which Dean leaves home, Sam makes a phone call, and Jess kisses foreheads. (1,377 words)