December in Denmark is dark by three in the afternoon. The streets empty early, candles go into every window, and the whole country turns inward toward the kitchen. This is when ribbensteg begins to matter.

Ribbensteg is the roast that holds the center of juleaften, Christmas Eve, the most important meal of the Danish year. This is pork belly with its rind scored in tight parallel lines, packed with coarse salt, studded with bay leaves and cloves, and roasted until the fat melts away beneath the skin and the svaer (the crackling) pops into something golden and brittle that breaks apart under your teeth. The belly cut is fattier than the loin version of flaeskesteg, and that fat is your friend. It bastes the meat from the inside, keeps everything moist through the long roast, and gives you more room to get it right.

Three things decide whether your ribbensteg is good or great, and none of them happen in the oven. The rind must be scored in narrow, even lines without cutting through into the meat. The coarse salt must fill every groove and draw out moisture so the skin dries and blisters. And the bay leaves and cloves must be pressed into the cuts, where they release their oils slowly into the rendering fat. Get these right, and the oven does the rest. I'll walk you through every step, with the reasons behind each one, so that when you stand at your table on juleaften and lift the knife, you'll know exactly what you've done and why it worked.