Homemade Green Bean Casserole made without condensed soup. So creamy and delicious!

2 pounds fresh green beans (rinsed and trimmed)

1 (8 ounce) package fresh sliced mushrooms

3 Tablespoons butter

1 onion (diced)

1 Tablespoon fresh parsley (chopped)

2 Tablespoons flour

1/2 teaspoon salt

1/4 teaspoon pepper

1/2 cup milk

1 cup sour cream

1/2 cup shredded cheddar cheese

1 (2.8 ounce) can french fried onions

Preheat oven to 350 degrees F.
Fill a large saucepan with water and bring to a boil over high heat.
Add beans to boiling water and let boil for 5 minutes.
Drain beans and add mushrooms then set aside.
Melt butter in a large skillet over medium heat.
Add onion and parsley and cook for a few minutes until onion is tender.
Whisk in flour, salt and pepper until well combined then gradually whisk in milk, stirring constantly to avoid lumps.
Whisk in sour cream and continue stirring over medium heat until sauce begins to bubble.
Fold in green beans and mushrooms until evenly coated.
Add half the cheese and fried onions and mix until well combined.
Pour green bean mixture into a 9 x 13 inch baking dish sprayed with nonstick cooking spray.
Sprinkle remaining cheese and onions on top.
Bake for 15-20 minutes or until cheese is melted.