Heat a non-stick tawa and spread dosa batter in a circular shape.
Drizzle butter or oil around the edges.
Add chopped onion and capsicum on the dosa.
Sprinkle salt, black pepper, chili flakes, and oregano.
Spread grated cheese evenly on top.
Cook until the dosa turns crispy and the cheese melts completely.
Fold the dosa and serve hot with chutney or sambar.