Add butter in a kadai & let it melt.
Add ginger garlic paste & green chillies. Saute till paste changes its colour to light brown.
Now add onions but cook them only till they turn light pink and translucent. There should remain a crunch left in them.
Add tomatoes and salt. Mix
Cover the kadai with lid and tomatoes cook for 10 minutes.
When the tomatoes are seen to be releasing oil, that's a sign that tomatoes are cooked.
Add red chilli powder and beetroot. Mix.
Time to add pav bhaji masala. Mix well.
Now pour in mix vegetables from the pressure cooker along with some coriander leaves. Mix veggies with the cooked masala.
Mash the vegetables one more time for more smooth texture.
Cover the kadai and let it simmer for 5 minutes.
When the vegetables mixture reaches a consistency that they will start bubbling, it is done.
Add butter and lemon juice and mix good.
Your bhaji is ready.