To the bowl of a food processor fitted with the blade attachment add the parsley, garlic, shallot, oregano, pepper flakes, vinegar, salt and pepper. Mix just until finely minced.
1/2 cup chopped flat leaf parsley leaves, 4 large cloves garlic, 1 shallot, 1 tsp dried oregano, 2 tsp red pepper flakes, 3 tbsp red wine vinegar, 1/2- 1 tsp salt, 1/2 tsp freshly ground black pepper