Salata de ardei (Pepper salad)

Ingredients 8 sweet peppers any colour or a mixture, roasted, cut into quarters, seeded and skins rubbed off. Garlic to taste, crushed 75 ml olive oil 60 ml white wine vinegar 4 tomatoes, sliced 1 red onion, thinly sliced A good pinch of salt Freshly ground black pepper Coriander sprigs to garnish