1. 1. Preheat the oven to 375°F (190°C).

2. 2. In a skillet, brown the ground beef over medium heat until fully cooked. Season with garlic salt to taste.

3. 3. Peel and slice the red potatoes into thin rounds.

4. 4. In a mixing bowl, combine the heavy whipping cream and parmesan cheese.

5. 5. In a casserole dish, layer the sliced potatoes and cooked ground beef.

6. 6. Pour the cream and parmesan mixture over the layers in the casserole dish.

7. 7. Cover the casserole dish with foil and bake for 45-50 minutes, or until the potatoes are tender.

8. 8. Remove the foil and bake for an additional 10 minutes to brown the top of the casserole.

9. 9. Let it cool slightly before serving.

10. 10. Enjoy your creamy beef and potato casserole!