If you're looking for a shortcut when it comes to making mashed potatoes, you may be wondering if you can cook ready-made mash in the oven. The answer is yes! You can absolutely cook premade mashed potatoes in the oven.
Here's how to do it: first, preheat your oven to 350 degrees Fahrenheit. Then, spread the mashed potatoes evenly in a baking dish and cover with foil. Bake for about 20 minutes, or until heated through. And that's it! You've now got delicious, warm, oven-baked mashed potatoes. Enjoy!