For the soup drain the corn. Peel onion and garlic and dice finely. Heat butter in a large pot. Sauté onion and garlic in it until transparent. Add corn and steam briefly.
Pour on the stock. Cover and simmer for about 10 minutes.
Meanwhile, preheat the oven for the Parmesan chips (electric oven: 200 °C/circulating air: 175 °C/gas: see manufacturer). Grate the parmesan and spread it thinly (approx. 20 cm Ø) on a baking tray lined with baking paper.
Bake in a hot oven for about 5 minutes until the cheese melts and is slightly browned. Remove from the oven and let it cool down.
Clean the peppers, halve lengthwise, remove seeds, wash and cut into thin strips. Heat the oil in a pan. Fry the peppers briefly, salt them a little and remove them from the pan.
Finely puree the corn soup with a hand blender, mixing in the crème fraîche. Season to taste with salt and pepper. Break the Parmesan cheese plate into pieces. Wash the coriander and shake dry. Pluck the leaves and arrange them on the soup with pepperoni.
Add popcorn as desired.