pre heat oven to 350°f
in a frying pan, melt butter, add diced onions and mushrooms, and sauté until they soften and start to become translucent.
peel and mince the garlic cloves, add to the pan of onions and mushrooms and sauté stirring constantly only until the garlic becomes fragrant. Then remove from heat.
wash and remove the ends from your green beans. cut in half if the beans are too long to be bite size.
add the beans to a pot with the chicken broth, over medium heat bring pot to a boil and cook for 10 minutes then drain.
add cooked beans and sautéed onion mix to a large bowl. along with 1 can of cream of mushroom soup. folding all the ingredients together until beans are evenly coated in the soup.
spray the bottom of your casserole dish with cooking spray before adding the beans.
bake in the oven for 20 minutes
remove the dish from the oven carefully and top it with shredded cheese and then crispy onions before placing the dish back into the oven for 10 more minutes.
allow the dish to rest for 5-10 minutes before serving. This dish holds heat and will be very hot.