In a small mixing bowl, combine the sweet potatoes, milk, egg yolk, salt and pepper. Transfer to a greased shallow 2-cup baking dish.
In a small microwave-safe bowl, combine the brown sugar, butter and corn syrup until blended; cover and microwave on high for 1 minute or until sugar is dissolved. Spoon over sweet potatoes. Sprinkle with pecans. Bake, uncovered, at 350° for 20-22 minutes or until a knife comes out clean. Yield: 2 servings.