Creating Loaded Green Bean Casserole is straightforward. Follow these simple steps to achieve this mouth-watering dish:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Prepare the Green Beans: In a large pot, bring water to a boil. Add the green beans and cook for 3-4 minutes until bright green and slightly tender. Drain and set aside.
3. Sauté Vegetables: In a skillet, heat olive oil over medium heat. Add the diced onion and sliced mushrooms. Sauté for 5-7 minutes until softened. Add minced garlic and cook for an additional minute.
4. Mix Casserole Ingredients: In a large bowl, combine cream of mushroom soup, sour cream, black pepper, salt, and paprika. Mix well.
5. Combine: Add the cooked green beans and sautéed vegetables to the soup mixture. Stir in half of the shredded cheddar cheese.
6. Transfer to Baking Dish: Pour the mixture into a greased 9×13 inch baking dish. Spread it evenly.
7. Add Toppings: Sprinkle the remaining cheddar cheese and half of the crispy fried onions over the top.
8. Bake: Place the casserole in the preheated oven and bake for 25 minutes.
9. Finish with Fried Onions: Remove the casserole from the oven and sprinkle the remaining crispy fried onions on top. Return to the oven for an additional 5 minutes or until the onions are golden brown.
10. Serve: Let the casserole cool slightly before serving.

With these steps, you will create a Loaded Green Bean Casserole that is sure to impress your family and friends.