Place butter in a medium frying pan and melt completely over medium-high heat. Cook the butter, stirring gently until the milk solids start to turn light brown. Note: The milk solids will brown quickly, so don't be afraid to pull the pan off the heat to slow the browning down if you're unsure how quickly they're toasting. The butter will give off a nutty, toasty, and slightly caramelized scent when browned. Pour the browned butter into a small bowl and set aside.
In a separate bowl, whisk both the coconut and brown sugars with the salt. Add in the egg yolks and whisk well (reserve the egg whites for the candied pecans and other baking).
Add the browned butter to the sugar and egg mixture.
In a large saucepan, bring the cream, the whole milk, the vanilla pod, and scrapings to a light simmer. Remove from heat, and discard the vanilla pod.
Working in batches to prevent scrambling the eggs, gradually whisk the warm cream mixture into the sugar-egg mixture.
Return this mixture to your saucepan and heat on medium for 5 minutes. Then, pour the mixture into a heat-safe bowl, and let cool on the counter slightly before storing in the refrigerator to fully chill, at least 6 hours or overnight.
While the ice cream custard is chilling, make the candied pecans and cranberry wine sauce.