01 - Pour vegetable oil into a deep saucepan or fryer to a depth of 2 inches. Heat oil to 350°F.
02 - In a medium bowl, whisk together cornmeal, flour, sugar, baking powder, baking soda, salt, and black pepper until evenly combined.
03 - In a separate bowl, whisk together buttermilk and egg. Pour wet ingredients into dry ingredients, mixing until just combined to form a thick batter.
04 - Pat hot dog pieces dry with paper towels. Insert toothpicks or small skewers into each piece for easy dipping.
05 - Dip each hot dog piece into the batter, ensuring it is well coated on all sides.
06 - Carefully lower battered hot dog nuggets into hot oil, a few at a time. Fry for 2-3 minutes, turning occasionally, until golden brown and crisp.
07 - Remove nuggets with a slotted spoon and drain on paper towels. Serve hot with your favorite dipping sauces.