Feliz Navidad (Tipsy Bartender)

Always great to have a festive drink right in hand!

Recipe
1 ½ oz. Tequila
3 oz. Spiced Hot Chocolate*
1 oz. (30ml) Buttermilk
3 oz. Heavy Cream
1 oz. Spiced Dark Rum
2 dashes Aztec Bitters
Garnish: Cinnamon