Add apple wedges to pan; continue to roast another 30-45 minutes, until internal temperature of roast is 155-160 degrees. Remove from oven; strain juices into saucepan. Add water to make 1 cup.

In small bowl stir together cornstarch and 1 tablespoon water; add to saucepan; cook and stir over high heat until thickened and bubbly. Slice roast; serve with apples and sauce. Serves 8.