Preheat your grill and get all your ingredients together.
Melt the butter in your STOK Wok insert.
Add the garlic and saute.
Add the onions and saute.
Add the mushrooms.
Add the flour.
Add the chicken broth
Add the half and half
Once you thicken the sauce and then add the green beans until they are tender.
Add the fried onion rings on top casserole and heat until warm.