WASHINGTON -- When searching for the right ingredient to put in a new craft beer, sometimes you don't have to look too far.
WTOP's Brennan Haselton is joined by Neighborhood Restaurant Group Beer Director and Food and Wine Sommelier of the Year Greg Engert to talk about Perennial Artisan Ales Black Walnut Dunkel for the latest edition of WTOP's Beer of the Week.
![](https://i.ytimg.com/vi/ySpYo66jJGk/maxresdefault.jpg)