This oven baked 4-ingredients corned beef stuffed potatoes recipe is exactly the kind of thing my Irish grandmother would throw together the day after St. Patrick’s Day. She’d take leftover baked potatoes and corned beef from the night before, scoop, mash, stuff, and top with cheese, and somehow the “leftovers” tasted better than the big holiday meal. It’s simple, cozy, and totally weeknight-friendly—just four ingredients you probably already have in the fridge, and the oven does most of the work while you catch up on life.
These stuffed potatoes are pretty hearty on their own, but I like to round them out with something fresh and simple. A crisp green salad with a tangy vinaigrette or a quick steamed veggie (like green beans or broccoli) balances the richness. If you’re leaning into the Irish pub vibe, serve them with a side of sautéed cabbage or a bowl of tomato soup. For drinks, a cold beer, hard cider, or just sparkling water with lemon all work really well alongside the salty corned beef and melty cheddar.
Oven Baked 4-Ingredients Corned Beef Stuffed PotatoesServings: 4
Ingredients
4 medium to large russet potatoes, scrubbed and dried
2 cups cooked corned beef, finely chopped (leftovers work best)
1 1/2 cups shredded cheddar cheese, divided
2 tablespoons salted butter, softened
Directions
Preheat your oven to 400°F (200°C). Line a baking sheet with aluminum foil for easy cleanup and to match the classic, no-fuss leftover vibe.
Prick each potato several times all over with a fork. Place the potatoes directly on the oven rack or on the foil-lined baking sheet. Bake for 50–60 minutes, or until the skins are crisp and a fork slides easily into the centers.
While the potatoes bake, finely chop the cooked corned beef into small pieces so it mixes evenly into the filling. Set aside. Shred the cheddar cheese if not already shredded, and set aside 1/2 cup of the cheese for topping later.
When the potatoes are tender, carefully transfer them to the foil-lined baking sheet if they aren’t already on it. Let them cool just until you can handle them without burning your fingers, about 5–10 minutes.
Using a sharp knife, slice each potato lengthwise down the middle, being careful not to cut all the way through the bottom skin. Gently squeeze the ends of each potato to open it up and create a pocket. With a spoon, scoop most of the fluffy potato flesh into a medium bowl, leaving a thin layer inside the skins so they hold their shape.
Add the softened butter to the bowl with the scooped-out potato. Mash together until the butter is melted and the potato is fluffy. Fold in the chopped corned beef and 1 cup of the shredded cheddar cheese until evenly combined. Taste and, if needed, adjust for salt (remember, corned beef and cheddar are naturally salty).
Spoon the corned beef and potato mixture back into the potato skins, mounding it up so each one is generously stuffed. Nestle the stuffed potatoes back onto the foil-lined baking sheet, keeping them upright and close together so they don’t tip over.
Sprinkle the reserved 1/2 cup shredded cheddar cheese evenly over the tops of the stuffed potatoes, letting some spill onto the foil for those crispy cheese edges you see in cozy, homemade food photos.
Return the baking sheet to the oven and bake the stuffed potatoes for 10–15 minutes, or until the cheese on top is fully melted, bubbly, and just starting to turn golden in spots.
Remove from the oven and let the potatoes sit for 5 minutes before serving so the filling can set slightly. Serve hot, straight from the foil-lined pan, with forks ready to dive into the fluffy, cheesy, corned beef–studded centers.
Variations & Tips
To keep the recipe true to the “only 4 ingredients” idea, any extras should be optional and added at the table. If you want a little freshness, top the finished potatoes with sliced green onions or chopped parsley. For a creamier filling, you can mash in a splash of milk or a spoonful of sour cream in place of some of the butter, but that technically adds an ingredient beyond the base four. If you’re cooking for kids or anyone sensitive to salt, use a milder cheese and mix in a bit more plain potato to balance the corned beef. These also reheat really well: cool completely, refrigerate on the same foil-lined pan, then rewarm in a 350°F oven for about 15–20 minutes. You can also halve the recipe if you’re cooking for one or two—just bake fewer potatoes and adjust the filling amounts, using the same simple method.
