Caramel Cake — Robert St. John

Ingredients

• 2 1/2 cup cake flour
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1/2 teaspoon kosher salt
• 2 eggs
• 2 cups sugar
• 3/4 cup melted butter
• 1 cup buttermilk
• 1 cup milk
• 1 teaspoon vanilla extract
• 4 cups firmly packed brown sugar
• 2 cups whipping cream
• 1/2 cup unsalted butter
• 2 tsp vanilla extract