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Cheesy Corned Beef & Potato Bake

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Cheesy Corned Beef & Potato Bake

This Cheesy Corned Beef & Potato Bake is the ultimate comfort food casserole, combining tender sliced potatoes, savory corned beef, melted cheese, and caramelized onions into one hearty, satisfying dish. Layers of thinly sliced potatoes bake until perfectly tender while seasoned corned beef becomes rich and flavorful, creating a delicious combination that’s crispy on top and creamy inside. Finished with bubbling melted cheese and golden-brown edges, this easy casserole is perfect for busy weeknight dinners, potlucks, family gatherings, or using up leftover corned beef. With simple pantry ingredients and minimal preparation, this recipe delivers homemade comfort in every bite. Serve it alongside a fresh green salad, steamed vegetables, or buttered dinner rolls for a complete meal everyone will love.

Ingredients

  • 2 (12-ounce) cans corned beef, shredded
  • 5 medium Yukon Gold potatoes, thinly sliced
  • 1 medium yellow onion, thinly sliced
  • 2 cups shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • 2 tablespoons unsalted butter, melted
  • 1 tablespoon olive oil

Seasonings

  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon smoked paprika
  • 1 teaspoon dried parsley
  • ½ teaspoon black pepper
  • ½ teaspoon salt (adjust to taste)
  • ½ teaspoon dried thyme

Optional Add-Ins

  • ½ cup heavy cream
  • ½ cup sour cream
  • ½ cup cooked bacon, crumbled
  • 2 tablespoons chopped green onions

Step-by-Step Instructions

Step 1: Prepare the Oven

Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish with butter or nonstick cooking spray.

Step 2: Prepare the Potatoes

Wash and peel the potatoes if desired. Slice them into thin, even rounds, about ⅛-inch thick, so they cook evenly. Place them in a bowl and toss with olive oil, melted butter, garlic powder, onion powder, paprika, thyme, salt, and black pepper until evenly coated.

Step 3: Prepare the Corned Beef

Open the canned corned beef and shred it gently using a fork. Break apart any large pieces so the meat distributes evenly throughout the casserole.

Step 4: Assemble the Layers

Arrange half of the seasoned potato slices in an even layer in the baking dish. Top with half of the sliced onions, half of the shredded corned beef, and half of the cheddar and mozzarella cheeses. Repeat the layers with the remaining potatoes, onions, corned beef, and cheese.

Step 5: Add Extra Creaminess

If using heavy cream or sour cream, drizzle it evenly over the casserole. This creates an extra creamy texture while keeping the potatoes moist during baking.

Step 6: Bake

Cover the baking dish tightly with aluminum foil and bake for 45 minutes. Remove the foil and continue baking for another 20–25 minutes, until the potatoes are fork-tender, the cheese is bubbling, and the top is beautifully golden brown.

Step 7: Broil for a Crispy Finish

For an extra crispy top, place the casserole under the broiler for 2–3 minutes, watching carefully to prevent burning.

Step 8: Rest and Serve

Allow the casserole to rest for 10 minutes before serving. Garnish with chopped parsley or green onions and serve hot with a fresh salad or roasted vegetables.

Tips & Notes

  • Yukon Gold potatoes provide the creamiest texture, while Russet potatoes create crispier edges.
  • Slice the potatoes evenly using a mandoline for consistent cooking.
  • Sharp cheddar adds bold flavor, while mozzarella creates a delicious cheesy stretch.
  • Add sautéed mushrooms or bell peppers for extra vegetables.
  • Leftovers reheat beautifully in the oven or air fryer, helping restore the crispy topping.
  • Store covered in the refrigerator for up to 4 days or freeze for up to 2 months.

Frequently Asked Questions

Can I use leftover corned beef instead of canned?
Yes! Leftover cooked corned beef works wonderfully and adds even more homemade flavor.

Can I prepare this casserole ahead of time?
Absolutely. Assemble the casserole, cover it tightly, and refrigerate for up to 24 hours before baking.

How do I make it even cheesier?
Add an extra cup of mozzarella or Monterey Jack cheese between the layers and sprinkle more on top before baking.

Can I make it gluten-free?
Yes. This recipe is naturally gluten-free—just confirm your canned corned beef contains no gluten-containing additives.

What should I serve with Corned Beef & Potato Bake?
It pairs perfectly with steamed green beans, roasted broccoli, mixed salad, buttered peas, sautéed cabbage, or warm dinner rolls.

Servings & Nutrition

Servings: 6–8

Prep Time: 20 minutes

Bake Time: 1 hour 10 minutes

Rest Time: 10 minutes

Total Time: 1 hour 40 minutes

Approximate Nutrition (Per Serving)

  • Calories: 495
  • Protein: 25 g
  • Carbohydrates: 27 g
  • Fat: 31 g
  • Saturated Fat: 14 g
  • Fiber: 3 g
  • Sugar: 2 g
  • Sodium: 890 mg
  • Calcium: 25% DV
  • Iron: 18% DV

This Cheesy Corned Beef & Potato Bake is a hearty, family-friendly casserole that’s loaded with layers of tender potatoes, savory corned beef, and gooey melted cheese. Crispy on top and creamy in the center, it’s the perfect comfort food for cozy dinners, meal prep, or feeding a hungry crowd. Every bite is rich, satisfying, and packed with homemade flavor that will keep everyone coming back for seconds.

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