This oven baked 3-ingredient lard and onion potato bake is the kind of simple, budget-friendly comfort food that proves a few basic ingredients can still make something deeply satisfying. It has that old-fashioned, make-do charm that came from stretching pantry staples during lean times, and the result is tender sliced potatoes, sweet onions, and crisp golden edges that feel warm and familiar on any table.
Serve this potato bake alongside roast chicken, pork chops, sausage, or simple beans for an easy meal, or enjoy it with fried eggs for a cozy breakfast-for-dinner situation. A crisp green salad, steamed cabbage, or applesauce also pairs nicely and helps balance the richness of the lard and the sweetness of the baked onions.
Oven Baked 3-Ingredient Lard and Onion Potato Bake
Servings: 6
Ingredients
3 pounds russet potatoes, peeled and thinly sliced
1 large yellow onion, thinly sliced
4 tablespoons lard, melted
Directions
1. Preheat the oven to 375°F and lightly grease a 9x13-inch glass baking dish with a little of the melted lard.
2. Layer half of the sliced potatoes in the baking dish, scatter over half of the sliced onion, and drizzle with half of the melted lard.
3. Repeat with the remaining potatoes, remaining onion, and remaining lard, spreading everything as evenly as possible so the potatoes cook at the same rate.
4. Cover the dish tightly with foil and bake for 45 minutes, until the potatoes are steaming and beginning to soften.
5. Remove the foil and continue baking for 25 to 35 minutes more, until the potatoes are fork tender, the onions are caramelized, and the top is deeply golden with crisp edges.
6. Let the bake rest for 10 minutes before serving so the layers settle and the edges stay crisp.
Variations & Tips
Add salt and pepper if you like: If your pantry allows for it, a generous pinch of salt and a little black pepper between the layers brings out the flavor of the potatoes and onions even more. The classic three-ingredient version works as written, but seasoning is an easy upgrade.
Slice evenly: Try to keep the potato slices thin and close in thickness so they bake at the same rate. A mandoline is helpful on busy weeknights, but a sharp knife works just fine if that’s what you have.
Make it ahead: You can assemble the dish a few hours in advance, cover it, and refrigerate until baking time. If it goes into the oven cold from the fridge, add a little extra covered baking time so the center gets fully tender.
Choose the right potato: Russets give a softer, more old-fashioned texture, while Yukon Golds hold their shape a little better and taste slightly buttery. Either will work well, so use what fits your budget or what’s already in the pantry.
For extra browning: If the potatoes are tender but you want deeper color on top, place the uncovered dish under the broiler for 1 to 2 minutes at the end. Watch closely so the edges crisp instead of burn.