Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
1         tablespoon    butter -- optional
1         cup           onions -- finely chopped
2         teaspoons     garlic -- minced
2         tablespoons   fresh tarragon
28        ounce can     tomatoes chopped, imported peeled
2/3       cup           vodka
2 1/2     cups          nonfat chicken broth or vegetable stock
1/8       teaspoon      hot pepper sauce -- or to taste
                        salt to taste
***GARNISH***
                        additional tarragon leaves
                        paper thin slices of lemon
                        dollop of nonfat yogurt

Preparation:

Heat butter (or broth) in a saucepan and saute onions and garlic until very soft but not brown. Add tarragon, tomatoes, vodka and stock and simmer for 10 to 12 minutes partially covered. Off heat, with an immersion blender or a food processor, coarsely puree soup. Serve hot or cold garnished with tarragon leaves, lemon slices and nonfat yogurt.