Peel the onion, dice it into small pieces. Skin the garlic, finely chop. Halve the peppers, core them, lengthways into fine strips and then cut them into very small cubes. Sweat everything in olive oil until translucent, stir in tomato paste and fry briefly. Add the canned tomatoes, herbs and chilli flakes, season with salt and sugar and let everything simmer for approx. 2 minutes. Finally stir in the cream cheese and season again to taste.