INGREDIENTS
•
For the cake
•
3/4 cup butter, room temperature
•
2 large eggs, room temperature
•
1 large egg yolk, room temperature
•
1 1/2 cups all-purpose flour
•
2 teaspoons baking powder
•
1 tablespoon ground Vietnamese (Saigon) cinnamon
•
1 teaspoon kosher salt
•
1/2 cup whole milk
•
1/4 cup dark rum
•
2 vanilla beans, split lengthwise (or 1 tablespoon vanilla extract)
•
1 cup granulated white sugar
•
For the Cinnamon Butter Rum Syrup
•
1/2 cup unsalted butter
•
1/2 cup water
•
3/4 cup granulated white sugar
•
1/4 teaspoon kosher salt
•
3 cinnamon sticks
•
1/2 cup dark rum
•
Powdered sugar and cinnamon, for garnish