Chilled Spicy Tomato Soup

Ingredients - 
4 tbs olive oil 
1 big size white onion, diced 
4 cloves garlic, chopped 
4 cups plum tomatoes, quartered 
2 tsp fresh tarragon, chopped 
3 tsp white wine 
2 tsp crushed chili pepper 
1 tsp fish sauce
Procedure - 
In a saucepan over medium heat, heat ¼ cup of the oil and sauté the onion and garlic. Add the tomatoes and simmer 2-3 minutes, until all the ingredients are tender. De glaze with white wine and let reduce slightly. Add the fresh tarragon and chili peppers and cook for 5
minutes.Transfer to a blender and puree. With the machine running, gradually add the remaining oil and fish sauce. Cover and refrigerate to chill before serving.