Thanks to their exceptional health advantages, grains have surged in popularity recently. There are limitless methods to prepare them, and in this video Martha reveals 3 of her favorites. First she formulate a Mushroom Barley Soup that's based upon her mom's recipe. Next she makes Couscous Royale, a great way to display this versatile grain. She finishes up with Grits with Broiled Tomatoes, featuring bubbly cheddar cheese and crispy bacon. #MarthaStewart #Vegetables #Sides #Appetizer #Recipes #Vegetarian Get…