Pare and core apples, slice thin. Simmer in cider 5 mins, or until just tender.

Drain, reserving cider.

Combine 2 tablespoons of cider, brown sugar, and butter on the bottom of a 13x9 pan. Place in 350 degree oven until sugar and butter have melted, about 5 mins; then remove from oven.

Prepare cake mix following package directions, substitute the reserved cider for water portion needed for cake mix, if needed add additional cider or water to reach required amount.

Arrange apple slices over brown sugar mixture in pan. Pour cake mix batter over apples, and bake at 350 degrees for 40 mins, or until done.

Invert on a platter or a cookie sheet, and let stand one minute, remove pan.