Green Bean Casserole W/Cheese
by girli chef
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-ounce) can cream of mushroom soup
1 (2.8-ounce) can French-fried onion rings
Pinch House Seasoning, recipe follows
1 cup grated Cheddar