Café Pacifico Hot Sauce

This is what they put on your table along with tortilla chips at the
Café Pacifico restaurants in London, Amsterdam, Sydney and Paris.

1 tin plum tomatoes (400g)
100g tomato puree
2 fresh green chillies
20 sprigs fresh coriander (cilantro)
1 chopped medium onion
1 tsp salt
1 tsp lemon juice

Blend all.

It can be stored for three days in a sealed jar or frozen.