Bourbon Street Sundaes

½ cup brown sugar
1 tablespoon cornstarch
¼ cup skim milk
1 tablespoon bourbon
1 tsp butter
2 tablespoons chopped pecans
vanilla ice cream

In a medium sauce pan over medium-high heat, whisk brown sugar and cornstarch till mixed. Slowly drizzle in milk, whisking constantly, until mixture boils. Stir one minute longer until thickened and remove from heat. Stir in bourbon, butter and pecans. Once butter is melted, place four scoops of vanilla ice cream in separate bowls and drizzle with sauce.