Step 2: Prepare the Creamy Sauce
In a separate bowl, mix together the cream of mushroom soup and milk until smooth. This mixture will help create that rich, creamy texture that binds everything together. You can add a pinch more salt or seasoning to taste.
Step 3: Slice the Potatoes
Peel and slice the potatoes into thin, even rounds (about ⅛ inch thick). Using a mandoline slicer makes this step easier and ensures even cooking.
Step 4: Assemble the Casserole
Now comes the fun part — layering!
- Grease a 9×13-inch baking dish with a bit of butter or cooking spray.
- Arrange a single layer of potato slices at the bottom of the dish.
- Spoon half of the cooked ground beef mixture evenly over the potatoes.
- Pour half of the creamy soup mixture over the beef layer.
- Sprinkle with half of the shredded cheese.
- Repeat the layers — potatoes, beef, soup, and cheese — until all ingredients are used, ending with cheese on top.
This layering technique helps the flavors blend beautifully as the casserole bakes.
Step 5: Bake the Casserole
Cover the dish tightly with aluminum foil and bake in a preheated oven at 375°F (190°C) for about 60 minutes.
After the first hour, remove the foil and bake for an additional 15–20 minutes, or until the potatoes are tender and the cheese is bubbly and golden on top.
Step 6: Rest and Serve
Once done, let the casserole rest for about 10 minutes before serving. This allows it to set slightly, making it easier to slice and serve cleanly.
Garnish with chopped parsley or green onions for a burst of color and freshness.
Tips for the Perfect Casserole
- Use Russet or Yukon Gold potatoes for the best texture — they stay tender yet hold their shape well.
- Make it extra cheesy: Add mozzarella or Monterey Jack for an even creamier texture.
- Want a bit of crunch? Sprinkle crushed crackers or breadcrumbs mixed with butter on top before baking.
- Add vegetables: Peas, carrots, or corn can be mixed with the beef for added nutrition and color.
Why You’ll Love It
This Cheesy Hamburger Potato Casserole is a complete meal in one dish — carbs, protein, and creamy richness all baked together. It’s simple to make, easy to adapt, and comforting in the best possible way. Serve it with a crisp green salad or steamed vegetables for a balanced, cozy dinner that tastes like home.
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