Ingredients
1 medium Granny Smith apple, peeled and thinly sliced1 teaspoon sugar1 teaspoon lemon juice2 tablespoons butter1/2 cup sliced sweet onion4 medium red potatoes, thinly sliced (about 1 pound)3/4 cup plus 2 tablespoons shredded Parmesan cheese, divided1/2 cup heavy whipping cream1/2 teaspoon minced fresh thyme or 1/4 teaspoon dried thyme1/4 teaspoon salt1/4 teaspoon pepper4 bacon strips, cooked and crumbledChopped fresh parsley, optional
Preparation
Preheat oven to 350°. In a small bowl, combine apple slices, sugar and lemon juice; toss to coat. Set aside. In an 8- or 9-in. cast-iron or other ovenproof skillet, heat butter over medium heat. Add onion; cook and stir until crisp-tender, about 3 minutes. Remove from the heat.
Alternately arrange potato and apple slices in a single layer in same skillet. Combine 3/4 cup Parmesan cheese with cream, thyme, salt and pepper; pour over top.
Bake, uncovered, 50 minutes. Top with bacon and remaining 2 tablespoons Parmesan cheese. Bake until potatoes are tender and top is lightly browned, 5-10 minutes longer. Let stand 10 minutes before serving. If desired, sprinkle with parsley.
