Heat oven to 375°F. Line cookie sheet with foil. Pierce sweet potatoes with fork; place on cookie sheet. Bake 45 minutes to 1 hour or just until tender when pierced with fork. When cool enough to handle, peel potatoes and cut into 1/2-inch slices.
Reduce oven temperature to 350°F. Grease 11x7-inch (2-quart) glass baking dish with butter or cooking spray. Place sweet potatoes in dish.
In 1-quart saucepan, melt butter over medium heat. Stir in brown sugar and evaporated milk until completely incorporated. Cook and stir 2 to 4 minutes or until mixture is smooth and looks like caramel. Stir in honey and pecans. Spoon over sweet potatoes.
Cover; bake 30 minutes or until thoroughly heated.