asparagus soup recipe

Ingredients 2 tablespoons butter 1 small onion, chopped 2 cloves garlic, minced 2 lbs asparagus, trimmed and cut into 1-inch pieces 4 cups chicken broth (or vegetable broth) 1/2 cup heavy cream Salt and pepper to taste Optional: 1/4 cup grated Parmesan cheese Fresh lemon juice (optional, for a splash of brightness) Fresh herbs (like parsley or chives) for garnish