3 cups thinly sliced peeled Granny Smith apple (about 1 1/4 pounds)
1 teaspoon lemon juice
4 small sweet potatoes, peeled and thinly sliced (about 2 pounds)
1/4 cup maple syrup
1 tablespoon butter, melted
1/2 teaspoon salt
1/4 teaspoon black pepper
1 cup plain bread crumbs
2 teaspoons olive oil
1/4 teaspoon ground nutmeg
Preheat oven to 400°.
Combine apples and lemon juice in a large bowl.
Add the sweet potatoes and the next 4 ingredients (sweet potatoes through pepper). Place the sweet potato mixture in a 13 x 9-inch baking dish coated with cooking spray.
Bake at 400° for 40 minutes, stirring after 25 minutes.
Combine breadcrumbs, oil, and nutmeg; sprinkle over the sweet potato mixture.
Bake for an additional 15 minutes or until golden.
Let stand for 10 minutes before serving.