Preheat oven to 200 °C (circulating air: 175 °C / gas: level 3). Grate cheese and mix with crème fraîche, except for 2 tablespoons. Clean and wash spring onions. Drain the pepperoni. Cut both into rings
Put tortilla chips into 1-2 wide ovenproof moulds. Spread the pepperoni, spring onions and cheese cream on top. Sprinkle the rest of the cheese on top. Bake in a hot oven for about 15 minutes
Meanwhile peel and chop the onion. Drain and mash the peppers. Mix with the salsa. Fold in onion and season to taste if necessary. Garnish tortillas with chillies and mint and serve with the dip