6 tbsp. butter, plus more room temperature for baking dish
3 lb. sweet potatoes, peeled and cut into ½-inch rounds
2/3 c. packed dark brown sugar
1/4 c. apple cider
3 tbsp. bourbon, optional
1/4 tsp. ground cinnamon
Freshly ground black pepper
*Preheat oven to 400°. Brush a medium baking dish with butter.
*In a small saucepan, melt the butter over medium. Whisk in the brown sugar, apple cider, bourbon if using, and cinnamon. Bring to a boil, then reduce to medium and simmer until thickened slightly, about 2 minutes.
*Layer potatoes in prepared baking dish, seasoning with salt and pepper, and pour warm syrup over top. Cover dish with foil and bake 30 minutes.
*Remove foil, stir, and continue to bake until sweet potatoes are tender and coated in sauce, about TK 40 minutes more.