Mashed potatoes are a classic side dish that everyone loves. But they can be a lot of work, especially if you have to drain the potatoes after boiling them. With the Instant Pot, you can make mashed potatoes without any draining required!

Mashed potatoes are a staple for many meals, especially around the holidays.
However, sometimes, they can be tricky to get right – perfectly creamy without a glue-like texture.
Once we learned how to make mashed potatoes in the Instant Pot, we’ve never gone back. This no-drain method is super simple and you’ll have perfect mashed potatoes in no time.
Ingredients
- 5 lbs russet potatoes
- 1/2 cup water
- ¾ cup heavy whipping cream
- ½ cup butter
- Salt
- Pepper
Equipment
Do I have to drain the potatoes after boiling them?
No, you don’t have to drain the potatoes after boiling them. The Instant Pot will do all the work for you and your mashed potatoes will come out perfect every time. This is only if you use the recommended amount of water we suggest – if you use more, you will likely need to drain it.

Why didn’t my mashed potatoes turn out creamy?
There are a few reasons why your mashed potatoes might not have turned out creamy.
- First, make sure you’re using starchy potatoes, such as russet potatoes.
- Second, make sure you’re not over-boiling the potatoes. Once they’re overcooked, they’ll start to absorb too much water and become gluey.
- Lastly, make sure you’re using enough cream and butter. This will help to make your mashed potatoes smooth and creamy.
What are the best types of potatoes for mashed potatoes?
The best types of potatoes for mashed potatoes are starchy potatoes, such as russet potatoes. These potatoes will break down easily and create a creamy consistency. We also really like yukon gold potatoes.
Do I need to peel the potatoes?
No, you don’t need to peel the potatoes. The skin will soften during cooking and will be easy to mash.
Do I have to use butter?
Butter gives the mashed potatoes a rich and smooth flavor, but you can substitute it with margarine or olive oil if you prefer. Keep in mind that the flavor will be different without the butter.
Instructions
- Peel and slice potatoes.
- Place in Instant Pot and cover with water. You can usually get away with just two cups – it will take longer to get up to pressure if you cover it, but I find it covers all my bases if I just cover the potatoes completely.
- High manual pressure for 8 minutes.
- Quick pressure release.
- Drain excess water.
- Add in cream and butter.
- Whip with a hand mixer or potato masher.
- Add in salt and pepper
- Top with butter and paprika
What should I serve mashed potatoes with?
Mashed potatoes are a classic dish that can be served with a wide variety of dishes. Here are a few suggestions:
- Instant Pot Roast Beef
- Instant Pot Beef Stew
- Instant Pot Chicken and Dumplings – Cracker Barrel Copycat Recipe
- Classic Green Bean Casserole
- Classic Sweet Potatoes
- Instant Pot Turkey Breast
- How to Make The Perfect Turkey Gravy with Drippings
What are some variations on this recipe?
There are many ways you can change up this recipe to make it your own. Here are a few ideas:
- Add garlic for garlicky mashed potatoes
- Try using half milk and half cream for a lighter mashed potato
- Add in some shredded cheese for cheesy mashed potatoes
- Stir in some green onions for a flavorful twist
- Top with bacon for a delicious and hearty dish
No matter how you make them, these Instant Pot mashed potatoes are sure to be a hit!
Can I substitute heavy whipping cream with something else?
Yes, you can substitute heavy whipping cream with milk or half and half, but your mashed potatoes will be lighter in consistency. For a richer mashed potato, we recommend using heavy cream.
Can I make these mashed potatoes vegan?
Yes, you can make these mashed potatoes vegan by substituting the butter and cream with vegan alternatives. We recommend using a plant-based milk and a vegan margarine or olive oil.
Can I make these mashed potatoes gluten-free?
Yes, you can make these mashed potatoes gluten-free by using gluten-free potatoes (most should naturally be) and cream. We also recommend using a gluten-free margarine or olive oil.

Can I make mashed potatoes ahead of time?
Yes, you can make mashed potatoes ahead of time. Just follow the recipe as directed and then store them in the fridge for up to 3 days. When you’re ready to serve, just reheat them in the microwave or on the stovetop.
What if I don’t have a hand mixer?
If you don’t have a hand mixer, you can use a potato masher to mash the potatoes. Just be sure to mash them well so that they’re smooth and creamy.
What is the no-drain method?
The no-drain method is a technique used to make mashed potatoes in the Instant Pot. It involves adding all of the ingredients for the mashed potatoes into the Instant Pot and cooking them together. This method doesn’t require draining the potatoes after they’ve been boiled, making it a quick and easy way to make mashed potatoes.

Instant Pot Mashed Potatoes No Drain
These instant pot mashed potatoes using the drain method is sure to be a favorite in your household for years to come!
Ingredients
- 5 lbs russet potatoes
- 1/2 cup water
- ¾ cup heavy whipping cream
- ½ cup butter
- Salt
- Pepper
Instructions
- Peel and slice potatoes.
- Place in Instant Pot and cover with water. You can usually get away with just two cups – it will take longer to get up to pressure if you cover it, but I find it covers all my bases if I just cover the potatoes completely.
- High manual pressure for 8 minutes.
- Quick pressure release.
- Drain excess water.
- Add in cream and butter.
- Whip with a hand mixer or potato masher.
- Add in salt and pepper
- Top with butter and paprika
Nutrition Information:
Yield: 8 Serving Size: 1Amount Per Serving: Calories: 453Total Fat: 20gSaturated Fat: 13gTrans Fat: 1gUnsaturated Fat: 6gCholesterol: 56mgSodium: 210mgCarbohydrates: 62gFiber: 7gSugar: 4gProtein: 8g





More Recipes You May Enjoy:
- Easy Instant Pot Chicken, Potatoes, and Carrots
- Instant Pot Ham Potato and Cheddar Soup
- Easy Instant Pot Tomato Soup Recipe
Now that you know how to make Instant Pot mashed potatoes, it’s time to get cooking! This dish is sure to be a hit with your family and friends. So, what are you waiting for? Give it a try today!

You don’t say exactly how much water!
It’s a major part of pressure cooking. How can you leave it out?!
That’s because I do what the recipe says – I just cover them with water, which works great regardless of how many you put in 🙂 However, since I know some people need exactly amounts, I have added the minimum amount I would add. Good luck!