My neighbor from Dublin shared this secret, and it’s the most comforting thing I’ve eaten all year. Just 4 ingredients.

My neighbor from Dublin shared this simple boxty-style bake with me one snowy afternoon, and it truly is the most comforting thing I’ve eaten all year. It’s inspired by traditional Irish boxty, which uses both grated raw potatoes and cooked potatoes for a tender, hearty texture. This version keeps it wonderfully homey and weeknight-friendly: just four basic ingredients, all baked together into a golden brown casserole with crispy edges and a soft, creamy middle. It’s the kind of dish you pull out of the oven and everyone just drifts into the kitchen, asking what smells so good.

Serve this boxty bake hot, scooped straight from the white casserole dish while the edges are still crisp. It pairs beautifully with simple roasted sausages, baked ham, or grilled chicken. I like to add a green side salad or steamed green beans for a little freshness on the plate. A spoonful of applesauce or a fried egg on top makes it feel extra cozy for brunch, and if you’re serving a crowd, it sits nicely on a buffet next to scrambled eggs and bacon.

Servings: 6

2 pounds russet potatoes, peeled and divided (about 4–5 medium potatoes)

Preheat your oven to 400°F (200°C). Lightly grease a medium white ceramic casserole dish (about 8x8 inches or similar size) with a little butter, making sure to get into the corners so the potatoes don’t stick.

Set a large pot of water on the stove and bring it to a boil. While the water heats, peel all of the potatoes. Cut half of the potatoes into chunks for boiling and set them aside in a bowl of cold water so they don’t discolor. Leave the other half whole for grating later.

Add the potato chunks to the boiling water and cook for 12–15 minutes, or until they are very tender when pierced with a fork. Drain well, then return them to the warm pot to steam off excess moisture for a minute or two.

Add the butter and salt to the hot, drained potatoes. Mash until smooth and fluffy, adding the milk gradually as you mash. You want a thick, creamy mashed potato—soft but not runny. Taste and add a pinch more salt if needed. Set the mashed potatoes aside to cool slightly while you prepare the rest.

Using the large holes of a box grater, grate the remaining peeled raw potatoes over a clean kitchen towel. Gather the towel around the grated potatoes and squeeze firmly over the sink to remove as much liquid as you can. This step helps the casserole bake up golden and not watery.

Gently fold the squeezed, grated potatoes into the warm mashed potatoes until everything is evenly combined. The mixture will be thick and a bit rustic-looking, with visible shreds of potato running through the mash.

Spoon the potato mixture into the prepared casserole dish and spread it out into an even layer, pressing lightly into the corners. Use the back of a spoon or a fork to rough up the top just a bit—those little ridges will turn deliciously crisp in the oven.

Bake on the middle rack for 40–50 minutes, or until the top is deep golden brown, the edges are crispy, and you can see a little bubbling around the sides of the dish. If your oven runs cool and the top isn’t browning, you can move the dish up one rack for the last 5–10 minutes.

Remove the casserole from the oven and let it rest for about 10 minutes. This helps it set up so it slices more neatly but still stays soft inside. Scoop or cut into squares and serve warm, making sure everyone gets a bit of those crispy edges.

To keep the spirit of the original promise, the base is just four ingredients, but you can easily dress it up once you’ve tried it as written. For a cheesy twist, sprinkle a small handful of shredded Irish cheddar over the top during the last 10 minutes of baking. If your family likes a little onion flavor, stir in 2–3 tablespoons of very finely minced green onion or chives with the grated potato. For kids who prefer extra creaminess, you can swap half of the milk for heavy cream and mash the potatoes a touch looser so the bake stays softer in the center. To make it ahead, assemble the casserole earlier in the day, cover, and refrigerate; when you’re ready to bake, uncover and add an extra 5–10 minutes to the oven time. Leftovers reheat well in a skillet with a tiny bit of butter—just press slices flat and cook until both sides are crisp, almost like Irish potato cakes, which my kids love for breakfast with a fried egg on top.