Canneles de Bordeaux

Ingredients

• 2 cups whole milk
• 3 Tbsp unsalted butter
• 4 eggs, whole
• 2 egg yolks
• 1.5 tsp vanilla extract
• 3/4 cup all purpose flour, sifted
• 1 1/4 cup granulated sugar
• 3 Tbsp spiced rum, such as Captain Morgan
• 1 pinch kosher salt
• Unsalted butter, melted - for the molds when baking