Lingkan Reang
Preheat oven to 180°C / 360°F.
Mix Nutella and egg in a bowl until well combined.
Add flour and stir to combine.
Line a mini muffin tray with cupcake cases and spray with oil.
Spoon 1 tbsp of batter into each case and bake for 10-12 minutes.
Cool, frost with nutella, and top with sprinkles before serving.