Ingredients

  • 1 pound sweet potatoes, or yams peel & slice
  • 2 tablespoons butter unsalted
  • 1 pound onions thinly
  • 3/4 pound apples, granny smith peeled, cored & thin sliced
  • 3 tablespoons flour, all-purpose
  • 1/2 cup chicken broth
  • 3/4 cup bread crumbs fresh
  • 3/4 cup cheddar cheese sharp, grated
  • 6 slices bacon cooked

Method

  • Preheat oven to 350F (180C).
  • Butter 13X6 inch oval baking dish.
  • Slice sweet potatoes into 1/4 inch thick slices.
  • Melt butter in heavy large skillet over medium heat.
  • Add onions and saute until tender, about 10 minutes.
  • Toss apples with flour in medium bowl.
  • Arrange half of sweet potatoes in bottom of prepared dish.
  • Top with half of apple slices.
  • Arrange remaining potatoes and then remaining apples.
  • Cover with sauteed onions.
  • Pour stock over all.
  • Bake until sweet potatoes are tender, about 45 minutes.
  • Maintain oven temperature.
  • Mix breadcrumbs, cheese and bacon (crumbled) in small bowl.
  • Sprinkle mixture over gratin.
  • Bake an additional 20 minutes.
  • Preheat broiler.
  • Broil until topping browns