Cook the pasta in boiling salted water according to the instructions on the packet. Heat 1 tablespoon of oil in a pan and roast pumpkin seeds briefly in it. Clean and wash the peppers and cut them into rings. Pour the corn into a sieve and drain
For the sauce, whisk vinegar, salt, pepper and sugar. Add 5 tablespoons of oil drop by drop. Peel the shallot and cut into fine cubes. Wash oregano, shake dry, remove leaves except for a little bit for garnishing, pluck from stalks and chop finely. Stir the shallot and oregano into the vinaigrette
Drain the pasta, collecting about 100 ml of pasta water. Mix the pasta, peppers, corn, pepperoni, pasta water, vinaigrette and pumpkin seeds and if necessary add vinegar, salt and pepper to taste. Sprinkle with cayenne pepper