Asparagus with Caper Dill Sauce

Bahan-bahan (4 porsi)

• 1 cup nonfat yogurt or sour cream
• ¼ cup freshly squeezed lemon juice
• ¼ cup chopped fresh dill ((or 1 tablespoon dried))
• ¼ cup capers, (drained)
• ½ teaspoon salt
• ½ teaspoon freshly ground black pepper
• 1 pound fresh asparagus