Add pasta and 1/2 teaspoon salt to pressure cooker cooking pot and cover with fresh water.
Lock on lid and close pressure valve. Cook at high pressure (most machines default to high pressure) for 2 minutes.
When Beep sounds, wait 5 minutes and then slowly toggle the pressure value to release the pressure.
Remove lid and Select Saute/Browning. Click for the "less" (lower heat) setting.
For Sweet
Mix in pot cheese (cottage cheese or farmer cheese) and sour cream (if using).
Stir in sugar and cinnamon and keep mixing until the cheese breaks down and a sauce forms.
For Savory
Mix in pot cheese (cottage cheese or farmer cheese) and sour cream (if using).
Add pepper and stir until a nice sauce forms. Taste and add more salt and pepper if needed.
Notes
Look at the cook time on the package of pasta/noodles.Choose the lesser time option in the range given and then subtract 2-3 minutes. That is your cook time.