Sweet Potato, Apple And Onion Gratin - cooking recipe

Ingredients

1 lb sweet potato, peeled and sliced 1/4 inch thick
2 tablespoons butter
1 lb onion, thinly sliced
3/4 lb granny smith apple, peeled,cored & thinly sliced
3 tablespoons flour
1/2 cup chicken stock
3/4 cup fresh breadcrumb
3/4 cup sharp cheddar cheese, coarsely grated
6 slices bacon, cooked and crumbled

Preparation

Preheat oven to 350 degrees.
Butter 13X6 inch oval baking dish.
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.
Mix breadcrumbs, cheese and bacon in small bowl, then sprinkle mixture over potatoes.
Bake an additional 20 minutes.
Broil until topping browns, if needed.
Let cool 5 minutes before serving.