Ingredients:

• 2 pounds asparagus, trimmed of woody stem bottoms
• 1 large yellow onion, chopped (1 1/2 to 2 cups)
• 1 teaspoon minced garlic, or 1 tablespoon minced green garlic
• 3 tablespoons butter
• 4 cups chicken broth or vegetable broth (vegetarian option)
• 1 cup water
• 2 sprigs fresh thyme
• 1 bay leaf
• 1/4 cup chopped fresh parsley
• 1/4 cup heavy cream or full-fat sour cream
• 1 tablespoon dry vermouth
• 1 teaspoon lemon juice
• 1/2 teaspoon black pepper, more to taste
• 1 teaspoon salt, more to taste