Ingredients

• 1 ½ cups flour
• 2 tablespoons cornstarch
• 1 teaspoon salt
• ½ teaspoon baking powder
• ½ teaspoon baking soda
• 1 large egg
• ¼ cup sugar
• ¼ cup salted butter, softened, plus more for serving
• 1 teaspoon vanilla extract
• 1 cup half-and-half
• ½ cup buttermilk
• cooking spray
• pure maple syrup, and/or chocolate chips, for serving