- To make Pumpkin Pasta, firstly we will make Pumpkin Pasta Sauce.  
- Switch on the SAUTE MODE of Instant Pot and set it to 5 mins 
- Then add oil and when the display shows HOT, add oil. Next add chopped onions and ginger garlic paste and cook till onion turn light pink. 
- Then add chopped carrot, pumpkin and tomato. Add basil and salt.  
- Cancel the SAUTE MODE and then pressure cook for 2 mins. Do the quick pressure release and then check the vegetables.  
- Now grind the cooked vegetables to smooth puree. You can use a hand held blender or cool the vegetables a bit and use a grinder/blender.  
- Now add uncooked pasta and add water and pressure cook for 5 mins. Do Quick Pressure Release and open the lid. Now check the pasta.  
- Add freshly ground black pepper powder, add chopped spring onion greens.