Add all of the ingredients except for those listed under “add later” to the pot.
Secure the lid, close the pressure valve and cook at high pressure for 6 minutes.
Quick release pressure.
Use a potato masher or a wooden spoon to mash the vegetables. You can add some water at this point if needed to adjust the bhaji to desired consistency.
Stir the butter and lemon juice into the pot.
Serve with Pav (buttered rolls) and garnish with chopped cilantro, red onion and green chilis (optional). You can also top the bhaji with extra butter!