Steps
1. Toast the bread slices until golden brown.
2. Spread Nutella evenly on each slice.
3. Sprinkle the crushed bourbon biscuits over the Nutella layer.
4. Grate the sweet lime zest over the biscuits.
5. In a small bowl, mix the milk, lime juice, and sugar until the sugar dissolves.
6. Warm the milk mixture slightly (optional).
7. Drizzle the milky lime mixture gently over the toast.
8. Serve immediately and enjoy this sweet, zesty treat.