Heat a pan adding oil, mustard seeds, cumin seeds, black gram lentils and curry leaves. Saute and let the mustard splutter. Next include finely chopped green chillies and ginger. Continue sauteing.
Next include cooked and mashed potato, salt, turmeric powder and mix well. Finally add lemon juice and chopped coriander leaves. Now stuffing is ready. Let it cool down.
In a wide bowl add gram flour, rice flour, salt, red chilly powder and asafoetida. Give a quick mix.
Adding water little by little, make a thick yet flowing consistency batter.
Now make lemon sized balls from stuffing and keep it ready.
Heat appe pan and add 1/2 tsp oil in to each dent. Now dip the stuffing ball in to batter such it coats well on it. Then place it in to each dent. Let it cook in medium flame for 2 minutes. Flip the other side as well.
Healthy and low calorie snack all bonda is ready to serve with coconut chutney and tomato ketchup.