Cut the bell pepper into small cubes and the onion into very small cubes, almost as small as you would cut a clove of garlic! Drain the corn well. Put the sour cream, the onion cubes and the spices in a large bowl and stir well, also mix in the paprika cubes and the corn. Season to your own taste - depending on the acidity of the vinegar, more may of course be necessary - but it is a matter of taste. If the marinade seems too spicy, just add a little more sour cream. If possible, the salad should be able to soak for a few hours, even overnight. I have already stored it well chilled for 3 days. We also like to eat the salad just like that as a small snack.