Using a sharp knife, score an X on the flat side of each chestnut.
Place chestnuts in a large pot, cover with water, and bring to a boil.
Boil for 10 minutes.
Remove chestnuts and let cool slightly.
Peel off the outer shell and brown skin.
Place peeled chestnuts back in the pot, cover with water, and bring to a boil.
Boil over medium heat until tender, 20 to 25 minutes.
Drain chestnuts and set aside.
Fill a second large pot with lightly salted water and bring to a boil.
Add Brussels sprouts and cook uncovered until tender, 7 to 10 minutes.
Drain in a colander.
Immerse Brussels sprouts in ice water until cold.
Transfer Brussels sprouts back to the colander and drain well.
Melt butter in a large skillet over medium heat.
Add shallots and cook, stirring, until translucent, about 5 minutes.
Add chestnuts and Brussels sprouts to the skillet.
Season with nutmeg, salt, and black pepper.
Cook, stirring occasionally, until heated through, about 5 minutes.
Optional: Sprinkle cooked, crumbled bacon over the top before serving.
Notes
***Nutrition does not include baconWeight Watchers Points6 Points: New plan4 WW Smart PointsIngredient SubstitutionsPre-Cooked Chestnuts: Use shelf-stable or vacuum-packed chestnuts to skip boiling and peeling.Pancetta for Bacon: Swap bacon with diced pancetta for a similar salty finish.Ghee for Butter: Use ghee if you want a richer, dairy-clarified fat.Pearl Onions for Shallots: Use thawed pearl onions when shallots aren’t available.How to Store and ReheatStore in an airtight container in the refrigerator for up to 3 days Reheat in a skillet over medium heat for about 5 minutes Add a small pat of butter if the mixture is dry Reheat in the oven at 350°F for 8 to 10 minutes Add bacon after reheating so it stays crisp