Canneles

Ingredients

• 3 cups milk
• 1/2 vanilla bean, split lengthwise and scraped
• 15 tablespoons unsalted butter
• 1 cup sugar
• 2/3 cup pastry flour
• 1 extra-large egg yolk
• 2 extra-large eggs
• 3 tablespoons dark rum
• 3 ounces (about 1/3 cup) beeswax, finely chopped