This is the best Salted Caramel Kentucky Butter Cake recipe! It's a moist sour cream pound cake infused with a rich, butter-rum caramel syrup and topped with a salted caramel glaze and flaky sea salt!

Heat the condensed milk caramel, butter and 8 tbsp of water in a pan and bring to a simmer. Stir until the caramel dissolves. Add the salt and the rum (if using), mix, then leave to cool slightly.

To make the caramel base: Put the sugar and water in a saucepan ... Meanwhile, beat the eggs in a bowl, then add rum, cream, and coffee extract. When milk is boiling, pour 1/2 into the egg mixture, ...