This baked corned beef hash is a hearty and comforting dish that's perfect for breakfast, brunch, or even dinner. Combining savory corned beef with tender potatoes, onions, and bell peppers, this recipe is topped with melted cheddar cheese for an irresistible finish. It's an easy and delicious way to use up leftover corned beef.
If you don't usually have corned beef on hand, you might need to pick some up from the deli section of your supermarket. Additionally, make sure you have cheddar cheese and bell peppers as these ingredients might not be staples in every household. The rest of the ingredients like potatoes, onions, olive oil, salt, and black pepper are commonly found in most kitchens.

Ingredients For Baked Corned Beef Hash Recipe
Corned beef: Diced cooked corned beef adds a savory, salty flavor to the dish.
Potatoes: Peeled and diced, they provide a hearty base and absorb the flavors well.
Onion: Chopped onions add a sweet and aromatic element.
Bell pepper: Chopped bell peppers contribute a slight sweetness and a pop of color.
Cheddar cheese: Shredded cheddar cheese melts on top, adding a creamy and tangy finish.
Olive oil: Used to coat the mixture, helping it to cook evenly and adding a slight richness.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a bit of heat and depth to the flavor profile.
Technique Tip for This Recipe
When preparing the potatoes for this recipe, consider parboiling them before dicing. This technique involves partially cooking the potatoes in boiling water for about 5-7 minutes. Parboiling ensures that the potatoes will be tender and fully cooked after baking, reducing the risk of undercooked pieces in your corned beef hash. After parboiling, let the potatoes cool slightly before dicing and combining with the other ingredients. This extra step can make a significant difference in the texture and overall quality of your dish.
Suggested Side Dishes
Alternative Ingredients
diced cooked corned beef - Substitute with diced cooked ham: Ham provides a similar salty and savory flavor profile.
diced cooked corned beef - Substitute with diced cooked turkey: Turkey offers a leaner option with a milder taste.
peeled and diced potatoes - Substitute with sweet potatoes: Sweet potatoes add a touch of sweetness and a different texture.
peeled and diced potatoes - Substitute with cauliflower florets: Cauliflower is a low-carb alternative that mimics the texture of potatoes.
chopped onion - Substitute with shallots: Shallots provide a milder and slightly sweeter flavor.
chopped onion - Substitute with leeks: Leeks offer a more delicate and subtle onion flavor.
chopped bell pepper - Substitute with poblano peppers: Poblano peppers add a mild heat and a rich flavor.
chopped bell pepper - Substitute with zucchini: Zucchini provides a different texture and a mild flavor.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella offers a milder taste and a gooey texture.
shredded cheddar cheese - Substitute with grated parmesan cheese: Parmesan adds a sharp and nutty flavor.
olive oil - Substitute with avocado oil: Avocado oil has a similar smoke point and a neutral flavor.
olive oil - Substitute with coconut oil: Coconut oil provides a slightly sweet and tropical flavor.
salt - Substitute with soy sauce: Soy sauce adds umami and a salty flavor.
salt - Substitute with sea salt: Sea salt offers a different mineral content and a slightly different taste.
black pepper - Substitute with white pepper: White pepper provides a similar heat with a slightly different flavor.
black pepper - Substitute with cayenne pepper: Cayenne adds a spicier kick to the dish.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
Allow the baked corn beef hash to cool completely at room temperature before storing. This helps prevent condensation, which can make the dish soggy.
Transfer the cooled corned beef hash into an airtight container. For best results, use a container that fits the amount of hash snugly to minimize air exposure.
Label the container with the date of preparation. This helps you keep track of how long the dish has been stored.
Store the container in the refrigerator if you plan to consume the hash within 3-4 days. Ensure your refrigerator is set to 40°F (4°C) or below to maintain freshness.
For longer storage, place the corned beef hash in a freezer-safe container or heavy-duty freezer bag. Squeeze out as much air as possible before sealing to prevent freezer burn.
Label the freezer container with the date and contents. This is especially useful if you have multiple frozen dishes.
Store the hash in the freezer for up to 2-3 months. Ensure your freezer is set to 0°F (-18°C) or lower for optimal preservation.
To reheat, thaw the corned beef hash in the refrigerator overnight if frozen. This gradual thawing helps maintain the texture and flavor.
Preheat your oven to 350°F (175°C). Transfer the thawed hash to an oven-safe dish and cover with aluminum foil to prevent drying out.
Bake for 20-25 minutes, or until heated through. If you prefer a crispy top, remove the foil during the last 5-10 minutes of baking.
Alternatively, you can reheat individual portions in the microwave. Place the hash in a microwave-safe dish, cover with a microwave-safe lid or plastic wrap, and heat on medium power in 1-minute intervals, stirring in between, until hot.
For a stovetop method, heat a non-stick skillet over medium heat. Add the corned beef hash and cook, stirring occasionally, until heated through and crispy.
Always check the internal temperature of the reheated hash to ensure it reaches at least 165°F (74°C) for safe consumption.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover baked corned beef hash in an oven-safe dish.
- Cover the dish with aluminum foil to prevent it from drying out.
- Heat for 15-20 minutes, or until the potatoes and corned beef are warmed through.
- Remove the foil for the last 5 minutes if you want to crisp up the top layer.
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a small amount of olive oil or butter to the skillet.
- Spread the leftover hash evenly in the skillet.
- Cook for about 5-7 minutes, stirring occasionally, until the potatoes and corned beef are heated through and slightly crispy.
Microwave Method:
- Place the leftover hash in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or a damp paper towel.
- Microwave on medium power for 2-3 minutes, stirring halfway through.
- Check if the hash is heated through; if not, continue to microwave in 30-second intervals.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover hash in the air fryer basket in a single layer.
- Heat for 5-7 minutes, shaking the basket halfway through to ensure even heating.
- Check for desired crispiness and warmth before serving.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the leftover hash on a toaster oven tray.
- Cover with aluminum foil to retain moisture.
- Heat for 10-15 minutes, removing the foil for the last 5 minutes to crisp up the top.
Best Tools for This Recipe
Oven: Used to bake the corned beef hash at the specified temperature.
Mixing bowl: Used to combine the diced corned beef, potatoes, onion, and bell pepper.
Baking dish: Used to transfer the mixture and bake it evenly.
Knife: Used to dice the cooked corned beef, potatoes, onion, and bell pepper.
Cutting board: Provides a surface to safely chop and dice the ingredients.
Measuring cups: Used to measure out the ingredients accurately, such as the corned beef, potatoes, onion, bell pepper, and shredded cheddar cheese.
Measuring spoons: Used to measure the olive oil, salt, and black pepper.
Wooden spoon: Used to mix the ingredients together in the mixing bowl.
Oven mitts: Used to safely handle the hot baking dish when removing it from the oven.
How to Save Time on Making This Recipe
Pre-cook the potatoes: Boil or microwave the potatoes until they are just tender. This will reduce the baking time.
Use pre-diced ingredients: Buy pre-diced onions and bell peppers to save chopping time.
Shred cheese in advance: Shred the cheddar cheese ahead of time and store it in the fridge.
Batch cook corned beef: Cook extra corned beef in advance and freeze portions for future use.
One-pan method: Combine all ingredients in a single baking dish to minimize cleanup.

Baked Corn Beef Hash Recipe
Ingredients
Main Ingredients
- 2 cups Cooked Corned Beef diced
- 4 cups Potatoes peeled and diced
- 1 cup Onion chopped
- 1 cup Bell Pepper chopped
- 1 cup Cheddar Cheese shredded
- 1 tablespoon Olive Oil
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
Instructions
- Preheat your oven to 375°F (190°C).
- In a large mixing bowl, combine the diced corned beef, potatoes, onion, and bell pepper.
- Add the olive oil, salt, and black pepper. Mix well to combine.
- Transfer the mixture to a baking dish and spread it out evenly.
- Bake in the preheated oven for 25-30 minutes, or until the potatoes are tender and the top is golden brown.
- Sprinkle the shredded cheddar cheese on top and bake for an additional 5 minutes, or until the cheese is melted and bubbly.
- Remove from the oven and let it cool slightly before serving.
Nutritional Value
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