
Instructions:
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Preheat oven to 350°F (175°C).
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Grease a 9×13-inch baking dish with non-stick spray.
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In a large skillet, cook the ground beef and diced onion together over medium heat until the meat is browned and fully cooked. Drain any excess fat.
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Layer sliced potatoes in a single layer across the bottom of the prepared baking dish. Season with a pinch of salt and pepper.
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Spread ⅓ of the beef-onion mixture evenly over the potatoes.
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Sprinkle ⅓ of the shredded cheese over the beef layer.
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Repeat the layers two more times: potatoes, meat, cheese.
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Finish with the remaining cheese on top.
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In a mixing bowl, whisk together the cheddar soup, evaporated milk, and regular milk. Add a bit more salt and pepper if you’d like.
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Pour the cheese sauce evenly over the layered casserole.
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Cover tightly with foil and bake for 1 hour.
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Remove the foil and bake for an additional 15 minutes, or until the cheese is bubbly and golden brown.
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Check that potatoes are tender—if they’re thick, you may need to bake a little longer.
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Let rest for 5–10 minutes before serving.
Tips:
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For extra flavor, toss in cooked bacon bits or green onions between layers.
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Make it spicy with a dash of hot sauce or a layer of jalapeños.
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This dish reheats beautifully—perfect for leftovers or meal prep!