This is an unusual take on avocado since it can be served warm; it's from the site Gianni's Kitchen. 

Ingredients:

1 Tablespoon olive oil
1 Tablespoon unsalted butter
2 garlic cloves, peeled
0.25 cup Italian parsley, finely chopped
0.5 cup onion, finely chopped 
2 ripe avocados, pit and shell removed

2 cups of chicken broth
0.25 teaspoon of white pepper
0.5 teaspoons of salt
0.5 teaspoons hot sauce
0.5 lemon, squeezed (1 Tbsp.)
sour cream & seeds or nuts for garnish

Directions:

    Heat the olive oil and butter in a pan over medium high heat until the butter melts.  Add the onion and garlic until completely soft and translucent, 10-15 minutes stirring occasionally. Stir in the parsley and cook for 1 minute.
    Roughly cut the accoao and add it to the onion mixture.  Add the chicken broth, salt, pepper, lemon juice & hot sauce.  Cook over medium heat for 10 minutes.
    Place the soup in a blender or food processor and puree until smooth.  Last for seasoning..
​    Garnish with sour cream & nuts.  May be served hot or cold.