Cream of Asparagus Soup - Recipook

Ingredients

• 1 pound fresh asparagus, trimmed and cut into 1 inch pieces
• 1 (14.5 ounce) can chicken broth, divided
• 0.5 cup chopped onion
• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 1 teaspoon salt
• 1 pinch ground black pepper
• 1 cup milk
• 0.5 cup sour cream
• 1 teaspoon fresh lemon juice