Ingredients:
1 liter 2% milk
500 g. butter
300 g. flour
4 egg yolks
½ cup of rum
1 vanilla bean
Directions:
1) Bring butter and ¾ milk to a boil. Remove from stove and add the rest of the cold milk. Gently whisk in egg yolks until blended. Set aside to cool.
2) Add sugar, flour, rum, and scraped vanilla bean. Mix well. Place the mixture to rest in the refrigerator for 24 hours.
3) Preheat oven to 400 degrees Fahrenheit. Pour mixture into cannelé mold, filling it up to ¾. Bake in oven for 1 hour.
Bon appétit!
[image thanks to LJ42 according to this license]