Peel and cut the turnips into cubes.
Boil them in a pan, for 8-10 minutes.
Drain and keep aside.
Add 1-2 tbsp oil in a pressure cooker.
Add finely chopped onions and sauté till light pink.
Add ginger and garlic paste. Sauté for a few seconds and add the drained turnips.
Add salt, turmeric powder.
Sauté well till the turnips shrink a little.
Add tomato purée, and sauté again till the moisture dries up.
Add red chili powder and coriander powder and mix well.
Now add little water, and close the pressure cooker.
Simmer the gas for 5-7 minutes after two whistles.
Open the cooker once the pressure is released.
Check the turnips, they should be done.
Mash the cooked turnips.
Sprinkle garam masala and coriander leaves.