Instructions

  1. Preheat the oven to 350 degrees.
  2. Arrange ribs, meaty side down, in a foil lined pan.
  3. Cover and bake at 350 degrees for 45 minutes.
  4. In a saucepan, combine sugar and cornstarch.
  5. Stir in vinegar, chili sauce, water, undrained pineapple, onion, soy sauce, and mustard.
  6. Cook and stir over medium heat until thick and bubbly; cook and stir 2 minutes more.
  7. Remove the pan from the oven and drain the fat from the ribs.
  8. Turn the ribs meaty side up.
  9. Spoon 2 c sauce over the ribs.
  10. Reserve the remaining sauce in the pan.
  11. Cover the ribs and bake 45 minutes longer or until tender.
  12. Remove the ribs to a platter.
  13. Heat the sauce in the pan and serve with the ribs.