The Nutzoids at Cannibal Cove(1989)

The Hendersons, Mom, Dad, siblings Betty, Bud and Kathy, become lost in the woods while searching for Bud's lost jalopy. Along the way they pick up Bud's vampy, ditzy galpal Bitsy and a cannibal witch, Mme. Tooey, who has a penchant for cooking little girls in her big, boiling cauldron.