1. In a medium bowl, combine the flour, baking powder, sugar and ¼ tsp salt together. Add the eggs, melted butter, milk and apple cider vinegar. Stir, until just combined. Gently fold through the chocolate.
2. Heat a knob of butter in the reserved fry-pan on medium heat. Using a 1/3 cup measure, spoon pancake batter into pan. Cook pancakes, in batches, for about 2 minutes each side, until golden and cooked through.
3. Serve pancakes topped with bananas, a scoop of ice cream and a drizzle of chocolate sauce.