Cooking with Heinen’s | Guinness Brownies for Saint Patrick’s Day With the St Patrick’s Day coming up on Friday, decadent chocolate Guinness Brownies are on my Cooking with Heinen’s menu this week. The star ingredient in these moist, chocolaty, rich, brownies is March 13, 2017 Barrington Eats/Cocktails with Heinen's/Cooking with Heinen's/Food/Groceries/Heinen's Fine Foods/Heinen's Grocery/Recipes/Shop Local/Things to Do