In a mixing bowl, take soaked sabudana (there won’t be any water left out but if there is drain and squeeze completely).
Add mashed potatoes, coarsely crushed peanuts, green chili paste, red chili powder, turmeric powder, coriander leaves, lemon juice, salt and mix into a soft and pliable dough.
Grease your palm and fingers with oil and make small lemon sized balls and arrange on a plate.
Heat an appe pan and drop few drops of oil in each indent.
Place one ball in each indent and let it cook for 2 mins over low flame.
Turn over each ball, drizzle few more drops of oil, if needed and let the other side cook for 1 min.
Transfer the sabudana vadas to a plate.
Continue to cook rest of the balls in the same way.
Serve this sabudana vada piping hot or warm with green chutney or tomato ketchup.