My grandmother stretched a single bouillon cube into dinner for six with this trick. It tastes like it simmered all day in homemade stock.

This slow cooker 3-ingredient poor man’s potato and bouillon dish is exactly the kind of thrift-minded cooking my Midwestern grandmother relied on. She could take a single bouillon cube, a bag of potatoes, and water, and turn it into something that tasted like it had been simmering in a pot of homemade stock all day. The trick is in how you layer and trap flavor in the slow cooker so the potatoes soak up every bit of that savory broth. It’s humble, comforting, and practical—perfect for nights when you need to stretch a few pantry staples into a filling dinner for a crowd.

Serve these brothy, fork-tender potatoes in wide bowls so everyone gets both the golden chunks and plenty of that rich, amber liquid. They’re lovely on their own with a slice of buttered bread for dipping, or alongside simple proteins like roast chicken, pan-fried sausage, or a couple of fried eggs on top. A crisp green salad or steamed frozen vegetables will round out the plate without adding much cost. If you have it, a sprinkle of chopped fresh parsley or a spoonful of sour cream on the potatoes adds a nice finish, but the recipe is designed to be satisfying even without extras.

Servings: 6

3 pounds russet or Yukon Gold potatoes, peeled (optional) and cut into 1 1/2-inch chunks

Prep the potatoes: Scrub the potatoes well. Peel them if you prefer a smoother texture, or leave the skins on for a more rustic, nutrient-dense dish. Cut into evenly sized 1 1/2-inch chunks so they cook at the same rate and hold their shape without turning mushy.

Warm the water and dissolve the bouillon: In a small saucepan or microwave-safe measuring cup, heat the 4 cups of water until hot but not boiling. Add the bouillon cube and stir until completely dissolved. This step helps the flavor distribute evenly instead of leaving salty pockets in the slow cooker.

Layer the potatoes in the slow cooker: Place the potato chunks into the slow cooker crock in an even layer, spreading them out so the broth can flow around them. Gently shake the crock or nudge the pieces with a spoon so there are minimal gaps but no tight packing.

Pour the bouillon mixture over: Slowly pour the hot bouillon broth over the potatoes, making sure every piece gets at least some contact with the liquid. The liquid will not fully cover the potatoes; that’s intentional. The bottom layer will simmer in the broth while the top steams, concentrating flavor and mimicking the depth of a long-simmered stock.

Cook low and slow: Cover the slow cooker with the lid, making sure it fits tightly to trap steam. Cook on LOW for 6 to 7 hours, or until the potatoes are very tender when pierced with a fork but still hold their shape. Avoid lifting the lid during the first few hours; keeping the steam in helps coax maximum flavor out of that single bouillon cube.

Finish and serve: Once the potatoes are fork-tender, gently stir from the bottom to coat all the pieces in the rich, amber broth that has developed. Taste a potato; if needed, you can add a splash of hot water to loosen the broth slightly, but it should be just thick enough to cling to each chunk. Ladle the potatoes and broth into bowls and serve hot, making sure everyone gets some of the savory liquid spooned over the top.

To deepen the flavor while still staying thrifty, you can change the bouillon type: beef bouillon gives a richer, stew-like character, while chicken bouillon tastes lighter and more like a classic Sunday roast side. If you have it on hand, stir in a small knob of butter at the end to give the broth a glossy finish and a homemade-stock feel. For a slightly more substantial meal, you can add a drained can of chickpeas or white beans during the last hour of cooking; they’ll soak up the seasoned broth without needing extra ingredients. If you’d like more color, tuck a whole, unpeeled onion into the crock at the start and fish it out before serving—the onion will perfume the broth without technically adding a fourth distinct component to each bite. For a thicker, mash-style version, lightly crush some of the potatoes against the side of the crock right before serving to create a starchy, gravy-like coating. Food safety tips: Keep potatoes fully cooked and hot (above 140°F/60°C) if holding for service, and refrigerate leftovers within 2 hours in shallow containers. Reheat thoroughly until steaming hot before eating. Do not leave cooked potatoes sitting in the slow cooker on the “warm” setting for more than 2 to 3 hours, as the temperature may drop into the bacteria-friendly zone over time.