preheat oven to 375°F

in a medium bowl, mix together brown sugar, Worcestershire sauce and ketchup.

cut bacon in half and wrap one slice of bacon around each chestnut, securing with a toothpick.

arrange the prepped waterchestnuts in a baking dish and bake for 10-15 minutes in oven.

remove waterchestnuts from oven and drain the grease out of the dish and pour the sauce over the wraps.

bake for another 30-35 minutes