Ingredient:

• 1 teaspoon canola oil
• 1 small onion, chopped
• 1 garlic clove, minced
• 2 pounds fresh asparagus, trimmed and cut into 1-inch pieces (about 5 cups)
• 1 can (14-1/2 ounces) reduced-sodium chicken broth
• 4 tablespoons all-purpose flour, divided
• 2-1/2 cups fat-free milk, divided
• 2 tablespoons butter
• 3/4 teaspoon salt
• 1/8 teaspoon dried thyme
• 1/8 teaspoon pepper
• 1/2 cup half-and-half cream
• 2 tablespoons white wine
• 1 tablespoon lemon juice
• Minced fresh chives, optional