Samoa Cupcakes - Cupcake Fanatic

Ingredients

• 1⅓ cups all-purpose flour
• 2½ Tbsp cornstarch
• 1 tsp baking powder
• ⅛ tsp baking soda
• ¼ tsp salt
• ⅓ cup unsalted butter
• 3 Tbsp vegetable oil
• ¾ cup granulated sugar
• 2 large eggs
• 1 tsp vanilla extract
• ¼ cup milk
• ¼ cup buttermilk
• 3 Tbsp water
• 3 Tbsp salted butter
• ¼ cup + 2 Tbsp heavy cream
• ½ cup butter, at room temperature (I used ¼ cup unsalted ¼ cup salted)
• ¼ cup + 2 Tbsp caramel sauce
• 2 cups powdered sugar
• ½ tsp vanilla extract
• 1 cup chocolate chips (I used ½ cup semi-sweet and ½ cup milk chocolate)
• ¼ cup heavy cream
• 1 cup toasted coconut, cooled and slightly crushed into smaller pieces