Avocado Bisque with Tarragon

Ingredients

 * 6 pints milk
 * ⅓ cups fresh tarragon leaves, chopped
 * 1 tbsp salt
 * 6 pounds California avocados
 * ½ cup fresh lemon juice
 * ¼ tsp cayenne pepper - or to taste
 * sour cream - as needed for garnish
 * fresh tarragon leaves - as needed for garnish

Directions

 * 1) Combine milk, tarragon and salt; bring to a simmer (do not boil)
 * 2) Remove from heat; let stand 1 hour.
 * 3) Meanwhile puree avocado and lemon juice until smooth.
 * 4) When milk is ready, whisk in avocado mixture; stir in cayenne.
 * 5) Chill at least 2 hours to marry flavors.

Per order

 * 1) To serve chilled or hot, garnish 1 cup soup with a swirl of sour cream and fresh tarragon leaves.