Boil potatoes and mash roughly.
Sauté chopped onions, garlic paste, and tomatoes in 1 tbsp oil until soft.
Add red chili powder, garam masala, salt, and mashed potatoes; cook into a dry thick gravy.
Spread dosa batter thinly over a hot skillet in circular motion.
Drizzle oil around edges, spread curry over center, fold when crispy, and serve.