Divide the cauliflower into very small florets, wash and cook in salted water. Dice the red and green peppers.
Heat the oil, add the onion cubes and sauté, then add the paprika cubes and fry for another 3 minutes. Pour 1⁄4 l of water, bring to the boil and stir in the vegetable stock powder. Cover and cook for 8-10 minutes.
Cook the penne according to the instructions on the packet.
Add the parsley and cream cheese to the vegetables and stir. Season everything with salt and pepper.
Drain the pasta and serve with the vegetable sauce.