Ingredients
Equipment
Method
- Heat a large, deep skillet or Dutch oven over medium-high heat. Add the beef and cook, breaking it into crumbles, until no pink remains. Spoon off all but about 1 tablespoon of fat, then transfer the beef to a bowl.
- In the same pan, melt 2 tablespoons of butter. Cook the onion for 4 minutes until soft. Add the mushrooms and cook for 5 to 6 minutes, until their liquid evaporates and they start to brown. Stir in the garlic for 30 seconds.
- Sprinkle in the flour, tomato paste, and paprika. Stir for 1 minute.
- Pour in the broth slowly, stirring, and scrape up any browned bits. Add the Worcestershire and Dijon. Return the beef to the pan and bring to a gentle simmer.
- Lay the potato slices over the top in an even layer, cover, and simmer over medium-low heat for 12 to 15 minutes, stirring gently once or twice, until a fork slides through easily. Add a splash of broth or water if the pan looks dry.
- Remove the pan from the heat and let it sit for 2 minutes.
- Stir a few spoonfuls of the hot sauce into the sour cream in a small bowl, then fold the mixture into the pan gently.
- Stir in the last tablespoon of butter and the vinegar. Taste and add salt and pepper. Scatter the parsley or dill over the top and serve right away.
Notes
- Add the sour cream off the heat, and never boil the sauce afterward. Sour cream curdles when it is added cold or overheated.
- Yukon Golds hold their shape and are creamy. Russets work too, but they break down more easily, so slice them slightly thicker and stir gently.
- Ground beef should reach a safe minimum of 160°F (71°C).
- Vegetarian version: skip the beef, double the mushrooms to 1 lb, and use vegetable broth. Choose a vegetarian Worcestershire sauce, since many contain anchovies.
- Baked version: layer thin raw potato slices in a 9x13-inch dish, pour the finished sauce (without the sour cream) over them, cover with foil, and bake at 375°F for about 40 to 45 minutes. Stir in the sour cream after baking.
- Gluten-free: skip the flour and thicken with a slurry of 1 tablespoon cornstarch and 2 tablespoons of cold water before adding the potatoes. Check your broth and Worcestershire labels.
- If the sauce is too thin, mash a few potato slices against the side of the pan. If it is too thick, loosen with a splash of warm broth.
- Refrigerate leftovers within 2 hours and eat within 3 to 4 days. Reheat gently over low heat with a splash of broth until steaming hot (165°F). Do not let it boil.
- Freezing works for about 2 to 3 months, but dairy sauces can separate when thawed. For the best results, freeze before adding the sour cream and stir it in when you reheat.
- Quantities, times, and calories are estimates. Test the recipe once and adjust to your pan and stove.
