Preheat oven to 350 degrees.
Melt butter in a large casserole.
Saute onions 2 minutes over medium heat.
Add mushrooms and saute 5-7 minutes more.
Add barley.
Cook until lightly browned.
Add 2 cups of broth, salt and pepper.
Bring to a boil.
Cover, reduce heat, and bake 45 minutes.
Add remaining 1 cup of broth.
Return to oven and bake 30 minutes more.
Garnish with chopped parsley.
Ingredients
4 tb Butter
2 md Onions, chopped
1/2 lb Mushrooms, sliced
1 1/2 c Pearl barley
3 c Chicken or beef broth
1/4 ts Salt
1/4 ts Pepper
Garnish: chopped parsley