Melt the butter in a deep frypan over medium heat. Add chestnuts and bacon, and cook, stirring and gently breaking up chestnuts, for 3 minutes, then add the rosemary and cook, stirring, for a further 2 minutes or until bacon is crisp. Set aside
Return potatoes to original pan and mash using a potato masher. Season. Add the nutmeg and stir in the cream, if using, then stir through half the bacon mixture. Top potato with remaining bacon mixture and serve with roast chicken
Serving size: 4
Recipe courtesy of delicious.com.au