Creating Hobo Casserole with Ground Beef & Potatoes is straightforward when you follow these steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Brown the Beef: In a large skillet, cook the ground beef over medium heat until browned. Drain the excess fat.
3. Add Onion: Stir in the chopped onion and cook until translucent, about 3-4 minutes.
4. Combine Ingredients: In a large bowl, mix the browned beef, diced potatoes, cream of mushroom soup, milk, salt, pepper, and any optional seasonings.
5. Layer in Casserole Dish: Pour the mixture into a greased 9×13-inch casserole dish, spreading it evenly.
6. Top with Cheese: Sprinkle the shredded cheese generously over the top.
7. Cover and Bake: Cover the dish with aluminum foil and bake in the preheated oven for 30 minutes.
8. Uncover and Continue Baking: Remove the foil and bake for an additional 15 minutes until the cheese is bubbly and golden.
9. Check Potatoes: Ensure that the potatoes are tender by piercing them with a fork.
10. Let Cool: Once cooked, let the casserole cool for a few minutes before serving.

These steps will guide you in creating this incredible casserole effortlessly.