1. ln a blender or food processor, blend red pepper with ricotta cheese, egg whites, flour, black pepper and onion for about 2 minutes.
2. Heat a non-stick frying pan to moderate heat. Drop tablespoonfuls of batter into frying pan. Cook until underside is golden and topside is just dry. Turn pancakes over and cook until other side browns.
3. Place a few strips of spring onions inside each pancake and roll up. Serve immediately.