Steps
1. In a bowl, whisk together the eggs, brewed coffee, and a pinch of salt and pepper.
2. Heat the butter in a non-stick skillet over medium heat.
3. Pour the egg mixture into the skillet and let it cook for a minute.
4. Sprinkle the chopped dark chocolate evenly over the omelette.
5. Cook for another minute or until the edges are set.
6. Fold the omelette in half and cook for an additional minute, or until the chocolate is melted and the omelette is cooked through.
7. Serve hot, drizzled with ketchup.