Caramel Frappucino Cupcakes

Ingredients

• 1-3/4 cups all-purpose flour
• 2 cups sugar
• 3/4 cups cocoa powder
• 2 tsp baking soda
• 1 tsp baking powder
• 1 tsp kosher salt
• 1 cup buttermilk
• 1/2 cup vegetable oil
• 3 large eggs, at room temperature
• 1 tsp vanilla extract
• 1 cup freshly brewed, hot coffee
• 1 tsp espresso powder
• 2 cups heavy cream
• 1/4 cup granulated sugar
• 1 tsp vanilla
• 1/2 cup heavy cream
• 3 tbsp butter
• 3 tbsp light corn syrup
• 1-1/2 cup packed light brown sugar