Cook the pasta according to the instructions on the package.
Cut the zucchini and bell pepper into not too small cubes. Heat the margarine / butter in a saucepan. Add the zucchini and paprika. Stir briefly. Put the lid on the pot and let it cook until everything is firm to the bite. If the zucchini give off too little water, just add a little. Add sour cream and season to taste.