Green Bean Casserole

This is another Paula Deen recipe.  It's probably the best green bean casserole I've had.  All fresh ingredients, what's not to like.  Amazing!  Enjoy!

Ingredients:
-1/3 stick butter
-1/2 cup diced onions
-1/2 cup sliced fresh mushrooms
-2 cups sliced green beans
-3 cups chicken broth
-1 (10 3/4 oz) can cream of mushroom soup
-1 (2.8 oz) can French-fried onion rings
-salt
-pepper
-garlic powder
-1 cup grated Cheddar cheese
Directions:
Preheat oven to 350 F.  Grease a baking dish.
Melt the butter in a large skillet.  Saute onions and mushrooms for about 10 minutes. 
While that's cooking, bring the broth to a boil in a sauce pan.  Add the green beans and boil them for about 10 minutes.  Drain.
Add the green beans to the onion mixture.  Stir in mushrooms soup and onion rings.  Season with salt, pepper and garlic powder.  Stir well.
Pour mixture into prepared baking dish.  Bake for 20 minutes.  Top the casserole with the cheese and bake for 10 more minutes.  Enjoy!