Here's the recipe. Its AHHHHMAZING! I usually make it for Christmas Eve dinner w/ prime rib but everyone threw a temper tantrum when I said it wouldnt be on the Thanksgiving menu
http://www.foodnetwork.com/recipes/screaming-heads-brussels-sprouts-gratin-recipe.html
My girlfriend is having a pre-Thanksgiving warm-up dinner and I was slated to do the GBC but I'm going to bring this instead. I got some beautiful baby brussel sprouts at Whole Foods yesterday and this will be the perfect use for them.