Got this 3 ingredient secret from my mother in law, and it is the most buttery tender side dish you will ever taste

This little pan of Irish parsley potatoes is one of those quiet family secrets that does all the talking at the table. My mother-in-law showed me this 3-ingredient trick the first spring I visited their farm, and I’ve been making it ever since. Baby potatoes are oven-baked until their centers turn buttery-tender, then bathed in real melted butter and tossed with fresh parsley. It’s simple, honest food with roots in Irish country cooking and the kind of Midwestern practicality I grew up with—nothing fancy, just a humble side dish that somehow steals the show.

These potatoes are lovely beside roast chicken, baked ham, or a simple pan-fried pork chop. I like to spoon them into a warm ceramic bowl and let folks help themselves family-style, with a green salad or buttered peas on the side. They also cozy up nicely to grilled steaks in the summer or a pot roast in the winter, and any extra potatoes rewarm beautifully for breakfast with eggs the next morning.

Servings: 4

2 pounds small baby potatoes (gold or red, similar size, scrubbed and patted dry)

Preheat your oven to 400°F (200°C). Place a medium ceramic or glass baking dish (about 2-quart size) on the counter so it’s ready. Do not grease it; the butter will take care of that.

If your baby potatoes are larger than a big walnut, cut them in half so they cook evenly. Leave smaller ones whole. Pat them dry again with a clean towel so they roast instead of steam.

In a small saucepan or microwave-safe bowl, gently melt the butter just until liquid, not sizzling. Set aside.

Pile the potatoes into the baking dish in a single, snug layer. Pour the melted butter evenly over the top, turning the potatoes with a spoon so each one gets coated. Sprinkle lightly with salt and a small pinch of pepper if you like (optional, not counted in the 3 ingredients).

Cover the baking dish tightly with foil. Bake for 30 minutes, covered, so the potatoes soften and turn silky inside.

After 30 minutes, carefully remove the foil (watch for steam). Give the potatoes a gentle stir to roll them through the buttery juices. Return the uncovered dish to the oven and bake another 15–20 minutes, stirring once halfway through, until the potatoes are tender when pierced with a fork and lightly golden in spots.

While the potatoes finish, finely chop the fresh parsley. You want it fairly small so it clings to the potatoes and butter.

When the potatoes are done, take the dish out of the oven. If the pan looks a bit dry, drizzle on the extra tablespoon of melted butter. Immediately scatter the chopped parsley over the hot potatoes and toss gently until every potato is coated in butter and flecked with green.

Taste and adjust the seasoning with a little more salt and pepper if needed. Spoon the potatoes and all the buttery parsley juices into a warm ceramic serving bowl. Serve at once while they are piping hot and irresistibly tender.

If you grew up stretching what you had, this recipe is a good canvas for small changes. For a deeper, nuttier flavor, let the potatoes roast uncovered a bit longer until more sides turn golden, stirring once or twice so they don’t stick. If you only have larger potatoes, simply cut them into 1 1/2-inch chunks and cook until tender. You can swap in curly parsley if that’s what’s in the garden; just chop it finely so it clings well. For a slightly lighter dish, use 4 tablespoons butter and add a splash of hot water or broth to the pan before covering; the potatoes will still turn soft and buttery-tasting. To make them ahead, bake covered until just tender, cool, and refrigerate in the same dish. When ready to serve, reheat in the oven uncovered with a fresh drizzle of melted butter, then toss in parsley at the last minute. A sprinkle of chives or green onion along with the parsley gives a gentle onion note without changing the simple spirit of the recipe. If you’re cooking for a crowd, this recipe doubles easily—just use a larger roasting pan so the potatoes still sit in a single layer for even baking.