Thanksgiving Bacon Brussels Sprouts

4 slices applewood-smoked bacon, cut into 1/2 inch pieces
4 pints Brussels sprouts, ends trimmed and halved
1 granny smith apple cored and cut into 1/4-inch slices, then halved into wedges
2 tsp apple cider vinegar

Heat oven to 425. Arrange bacon in a single layer in a roasting pan. Bake until browned, 5-8 minutes. Do not drain. Add Brussels sprouts in a single layer, face down. Sprinkle with salt and pepper. Return to oven until sprouts begin to brown, about 15 minutes. Add apples and toss. Return to over for another 10 to 15 minutes, or until sprouts are brown and tender. Toss with vinegar and serve at once.