Wash and pare beets; cut into 1/4-inch-thick slices. Place beets in a lightly greased 12- x 8- x 2- inch baking dish.
Combine orange juice, butter, sugar, and salt. Pour orange juice mixture over beets. Sprinkle grated orange rind over beets. Cover and bake at 350° for 1 hour or until beets are tender. Serve immediately.