Asparagus Zucchini Winter Soup

Thank u @shushyturin for this great winter soup recipe! 3 large zucchini (with skins) 1 bunch of thin asparagus 3 cups low-sodium chicken broth 1 Tbl unsalted butter 1 Tbl dry sherry 1 cup chopped white onion 5 garlic cloves, chopped finely 2 large dashes of Kosher salt 1 dash of fresh ground pepper 2 cups (…)