Rinse potatoes well to get of dirt and mud - Rub and wash it at least 2-3 times. Then add 4 medium sized potatoes to a pressure cooker. Add water till half immersing level at least.
Pressure cook for 2 whistles. You can choose to boil or steam potatoes too. Make sure it is soft but not mushy. Steamer - If using a manual open pot steamer - steam cook for 7-10 mins.Open pot - Peel the skin chop into cubes. Cook for 10 mins or until fork tender.Instant pot - In Instant Pot pour water into the inner container then place the trivet and place the potatoes on top of it. Set mode to pressure cook high for 5 mins and let it release by itself. Remove the potatoes from the cooker and add it to a bowl containing cold water.
Once it becomes warm peel off the skin from the potatoes.
Cut into small cubes. Set aside.
Heat 2 tablespoon oil - add 1/2 teaspoon mustard seeds let it crackle, add 1/2 teaspoon cumin seeds let it crackle, add few curry leaves let it splutter. Add 1/4 teaspoon hing.
Give a quick saute.
Add 1 tablespoon garlic chopped.
Saute for a minute until golden.
Add cooked cubed potatoes.
Roast it for a minute.
Add 1/4 teaspoon turmeric powder, salt to taste and 1 heaped teaspoon red chili powder.
Keep roasting it until crisp.
It will take at least 5-7 minutes.
Roast until it is golden and crisp.
Crispy potato roast is ready!