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10 Minute Instant Pot Kerala Style Potato Stew- Ishtu | Easy Vegetarian Recipe

Delicious Kerala-style potato stew cooked in the Instant Pot…

Potato stew or Ishtu is a popular Kerala dish, served with appam or idiyappam for breakfast. This is a simple humble yet delectable dish, made with just 6 simple ingredients. In the Instant Pot, it’s effortless to make this stew. Potatoes are pressure cooked in thin coconut milk for just 3 minutes in the Instant Pot and then thick coconut milk is added.

Rich, creamy & aromatic potato stew.

Cooking Video

10 Minute Instant Pot Kerala Style Potato Stew- Ishtu Recipe
Prep time
Cook time
Total time
Recipe type: Main
Cuisine: Indian
Serves: 4 People
  • Potatoes, diced- 4, medium sized or 3 large
  • Onion, chopped- 1
  • Fresh ginger, chopped- 1 inch slice
  • Green chilies, halved- 2 to 4
  • Curry leaves- 1 sprig
  • Thin coconut milk- 1 cup
  • Water- ½ cup
  • Thick coconut milk- ½ cup
  • Salt- 1 tsp
  • Sugar- 2 pinches
  • Coconut oil- 1 tbsp
  1. Use 4 medium sized potatoes or 3 large sized potatoes. Dice the potatoes.
  2. To the stainless steel pot, add potatoes, onion chopped, ginger, green chilies, curry leaves, thin coconut milk, water & ½ tsp salt.
  3. Green chilies can be added based on your spice level.
  4. For making this stew, chili powder or ground black pepper are not added.
  5. If using canned coconut milk, if it's thick add some water to thin it down.
  6. Close the pot with the lid.
  7. Select pressure cook setting, set the time to 5 minutes at high pressure.
  8. After 5 minutes of pressure cooking, let the pressure release naturally for 5 minutes & then do a quick pressure release.
  9. Open the lid.
  10. The aorma from this stew is just mesmerizing.
  11. The potatoes will be fork tender.
  12. Turn on saute setting at medium temperature.
  13. Using the back of the spoon mash a few potatoes. the stew will have a nice creamy texture.
  14. Now, add the thick coconut milk, combine well.
  15. Add ½ tsp salt & sugar, combine well.
  16. Cook for 2 minutes, after adding thick coconut milk don't cook for long.
  17. Finally, drizzle coconut oil over the stew.
  18. Take the pot out of the main pot & keep it covered for a few minutes.
  19. Serve in a bowl & enjoy with appam or idiyappam.



Thas is the author of Cooking with Thas, a popular food blog with recipes from Indian, American and Fusion Cuisines. She has been blogging since 2009 and been featured in several magazines. Read more...