Apple-Sweet Potato Mini Pies

 I was just chatting with a reporter from The Hippo Press and he asked me for some ideas for Thanksgiving leftovers. Its an interesting idea to design recipes that will help to use up those little bits of leftover sidedishes and turkey. Here is a great idea to use up everyone's favorite mashed sweet potato casserole. If your's is on the sweet side (with or without marshmellos), use the leftovers to create these mini apple pies. 
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Makes 12 mini pies, baked in a mini muffin tin
·       Any basic single-crust pie dough or a single-crust from a premade pie dough from the grocery store.
·       1 large sweet potato
·       3 tablespoons unsalted butter
·       1 Granny Smith apple, diced very small
·       1 Cortland apple, diced very small
·       3 tablespoons brown sugar
·       ¼ teaspoon cinnamon
·       1 teaspoon apple cider vinegar or lemon juice
·       ¼ cup dark brown sugar
·       ¼ cup quick oats
·       ¼ cup flour
·       1 teaspoon cinnamon
·       3 tablespoons unsalted butter

1. Roll out the dough and cut into 12 rounds using a 2 ½ inch cookie cutter. Place each round into a mini muffin tin. Refrigerate while preparing filling and topping.
2. Preheat oven to 400 degrees.
3. For mashed sweet potato, roast a large sweet potato in the oven until soft and easily pierced with a fork, about 25 minutes. Discard the skin and mash with 3 tablespoons of butter and ½ teaspoon salt. Set aside.
4. To make the apple filling, combine diced apples, brown sugar, cinnamon, and vinegar. Set aside.
5. To make the crisp topping, combine the brown sugar, oats, flower, cinnamon, and butter in a food processor or by hand until it forms crumbles.
6. Remove the muffin tin from the refrigerator and fill each crust half-way with apples. Top with 1 teaspoon mashed sweet potato.
7. Place in the oven and cook for 12 minutes.
8. Remove minis from oven and top with 1 tsp crumb topping. Reduce oven temperature to 350 degrees and cook for another 15 minutes. Remove from oven and let cool before serving.