Grilled Argentinian style Beef with Chimichurri Sauce

Ingredients

4 tsp Olive oil

3 tbsp Red wine vinegar

1/2 Chopped onion

2 tbsp Chopped garlic

1/2 cup Finely chopped fresh parsley leaves

1 Red pepper crushed

1 pinch Sea salt

1 sprinkle Finely ground black pepper

1 fillet Lean beef