1. Preheat Oven

Preheat your oven to 350°F (175°C).

2. Prepare the Casserole Mixture

In a large bowl, mix together the Campbell’s® Cream of Mushroom Soup, milk, and black pepper until smooth.

3. Add Green Beans

Stir in the drained green beans, making sure they’re fully coated in the creamy mushroom sauce.

4. Transfer to Baking Dish

Pour the green bean mixture into a 1 1/2-quart casserole dish. Spread it out evenly.

5. Bake

Bake the casserole for 25 minutes or until it’s hot and bubbly.

6. Add Fried Onions

Remove the casserole from the oven and sprinkle the crispy fried onions over the top.

7. Bake Again

Return the casserole to the oven and bake for another 5 minutes, or until the onions are golden and crispy.

8. Serve

Let the casserole sit for a few minutes before serving. Enjoy!