Step 1: Preheat the Oven and Prepare a Baking Dish
- Preheat your oven to 350°F (175°C).
- Grease a 9×13-inch baking dish with cooking spray or a light coating of butter.
Step 2: Brown the Ground Beef
- In a large skillet over medium heat, add the ground beef and chopped onion. Cook until the beef is browned and the onions are softened, about 5-7 minutes.
- Drain any excess grease, then season with a bit of salt and pepper. Set aside.
Step 3: Prepare the Creamy Sauce
- In a bowl, combine the cream of mushroom soup, milk, garlic powder, and Italian herbs (if using). Whisk until smooth and well combined.
Step 4: Layer the Casserole
- Place a layer of potato slices on the bottom of the prepared baking dish.
- Spread half of the cooked beef and onion mixture over the potatoes.
- Pour about a third of the soup mixture over the beef.
- Sprinkle a layer of shredded cheese over the top.
- Repeat the layers (potatoes, beef, soup mixture, and cheese) until all ingredients are used, finishing with a layer of cheese on top.
Step 5: Bake the Casserole
- Cover the baking dish with aluminum foil and bake for 45 minutes.
- After 45 minutes, remove the foil and continue baking for an additional 15 minutes until the cheese is golden and bubbly, and the potatoes are fork-tender.
Step 6: Serve and Enjoy!
- Let the casserole cool for about 5-10 minutes before serving to allow it to set slightly.
- Garnish with fresh parsley or chives, if desired.
Tips for the Perfect Casserole
- Thinly sliced potatoes cook faster and help keep the casserole creamy and soft. Use a mandoline slicer for even, thin slices.
- Ground turkey or sausage can be substituted for ground beef if preferred.
- Make it extra cheesy by adding more cheese or mixing in different varieties like Monterey Jack or mozzarella.
Serving Suggestions
- Serve this casserole with a fresh green salad or steamed vegetables for a balanced meal.
- Pair with a slice of buttered bread or garlic bread for a cozy, complete dinner.
Storage
- Refrigerate: Store leftovers in an airtight container in the fridge for up to 3 days.
- Freeze: This casserole freezes well. Let it cool completely, wrap tightly in foil and plastic wrap, and freeze for up to 2 months. Reheat in the oven at 350°F until warmed through.
Final Thoughts
This Easy Hamburger Potato Casserole is a fuss-free, hearty dish that’s sure to become a family favorite. Simple, delicious, and satisfying, it’s a go-to recipe for anyone looking for a cozy meal with minimal effort. Enjoy!