Arrange chicken thighs in greased 9 x 13 inch (22 x 33 cm) baking dish.
Combine remaining 3 ingredients in small bowl. Pour over chicken.
Bake, covered, in 350oF (175oC) oven for about 1 1/2 hours, turning chicken halfway through cooking time, until no longer pink inside.
Remove cover for last 15 minutes to thicken sauce if desired. Serves 6.