Hashbrown Casserole

2 lb. bag, frozen hashbrowns
1 Stick butter
1 Can cream of chicken soup
1 Cup shredded cheddar cheese
Salt and pepper to taste (I recommend using sea salt instead of table salt)
¼ Cup chopped red onion

Mix all ingredients together and pour into greased casserole dish. Top with more cheese ☺ Bake at 350 degrees for 45 minutes.