If you’re looking for a simple, delicious, and dairy-free side dish, especially for the holidays, these dairy free mashed potatoes should be at the top of your list! These creamy dairy free mashed potatoes are made with just a 3 ingredients: potatoes, oat milk and vegan butter. This recipe is easy to make and can be on the table in 15 minutes or less.
The dairy free mashed potatoes are dairy free, vegan, gluten free, nut free and can be made low fat or low carb.

why you’ll love this recipe
- These dairy free mashed potatoes are so versatile that they can be served with a variety of dishes.
- They are a great side dish for roasted chicken, grilled steak, or baked fish.
- You can also serve them with a vegetarian or vegan main course.
- You can season them with your favorite seasonings.
- Switch up the seasonings to make them different every time.
- They are creamy, flavorful, and satisfying.
- These dairy free mashed potatoes are dairy-free, so everyone can enjoy them.
- The ingredients for this recipe are incredibly affordable, making it a budget-friendly option for any meal.
- These mashed potatoes are the perfect side dish for any holiday gathering, bringing a touch of creamy goodness to your festive table.
- Kids will love getting involved in the kitchen and helping to mash the potatoes, making it a fun and engaging cooking experience for the whole family.
ingredients & substitutions
Russet Potatoes
Russet potatoes are a starchy variety with a fluffy texture, making them ideal for mashed potatoes. They have a mild, slightly sweet flavor that complements the other ingredients in the recipe. Russet potatoes are a good source of potassium, vitamin C, and fiber, contributing to a healthy and balanced diet. If you don’t have russet potatoes, you can substitute Red potaotes or even Yukon Gold potatoes, which have a similar texture and flavor for these dairy free mashed potatoes.
Oat Milk
Oat milk is a plant-based milk alternative that adds a creamy texture and subtle sweetness to the mashed potatoes. It is a good source of fiber and vitamins, making it a nutritious addition to the dairy free mashed potatoes. If you don’t have oat milk, you can substitute soy milk, almond milk, or cashew milk for a similar creamy consistency.
Vegan Butter
Vegan butter provides a rich, buttery flavor and contributes to the overall creaminess of the mashed potatoes. It is a plant-based alternative to traditional butter, making the dairy free mashed potatoes suitable for those with dairy sensitivities or following a vegan lifestyle. If you don’t have vegan butter, you can substitute olive oil or avocado oil for a slightly different flavor profile.
taste & texture
The potatoes are soft and fluffy, like a cloud melting in your mouth. The taste is mild and slightly sweet, with a hint of buttery goodness. A touch of garlic and pepper adds a savory kick, making each bite even more flavorful.
The creamy texture comes from the oat milk, which blends perfectly with the mashed potatoes. It’s not too heavy or rich, but just right to make the potatoes smooth and silky. You won’t even miss the dairy in this dairy free mashed potatoes recipe, as the oat milk and vegan butter create a rich and satisfying experience.
directions
Step 1
On a large cutting board, peel and cut potatoes into 1″ cubes. Place the potatoes in a large pot and cover with cold water. Add the salt and bring to a boil over high heat.
Step 2
Reduce heat to medium-low and simmer until the potatoes are fork-tender, about 15-20 minutes.
Step 3
Drain the potatoes and return them to the pot. Add milk and butter. Mash the potatoes with a potato masher or an electric mixer until smooth. Add garlic, salt, pepper and parsley.
Step 4
Continue mashing until the potatoes are creamy and well combined. Serve the dairy free mashed potatoes immediately and enjoy!

expert tips & tricks
- Choose the Right Potatoes: Russet potatoes are ideal for mashed potatoes due to their starchy texture and mild flavor. Yukon Gold potatoes are also a good option.
- Cut Potatoes Evenly: Cut the potatoes into evenly sized chunks to ensure they cook evenly. This will prevent some pieces from being overcooked or undercooked.
- Don’t Overcook the Potatoes: Overcooked potatoes can become watery and lose their fluffy texture. Boil the potatoes until they are fork-tender but not mushy.
- Drain Potatoes Thoroughly: Drain the cooked potatoes well to remove excess water, which can make the mashed potatoes too wet.
- Mash While Warm: Mash the potatoes while they are still warm to achieve a smooth and creamy consistency. Cold potatoes will be more difficult to mash.
- Warm the Oat Milk: Warm the oat milk before adding it to the mashed potatoes. This will help the potatoes absorb the liquid better and create a creamier texture.
- Gradually Add Liquid: Add the oat milk and vegan butter gradually, a little at a time, to control the consistency of the mashed potatoes. You may not need to use all of the liquid.
- Season to Taste: Adjust the seasonings to your liking. Start with a small amount of salt, pepper, and garlic powder, and add more as needed.
- Garnish for Extra Flavor: Garnish the dairy free mashed potatoes with chopped fresh chives or parsley for a touch of color and flavor.
- Serve Immediately: Enjoy the dairy free mashed potatoes warm for the best flavor and texture.
how to make this lower carb
To make this dairy free mashed potatoes recipe low-carb, you can substitute a portion of the russet potatoes with cauliflower. Cauliflower has a lower carbohydrate content than potatoes while still providing a similar texture and consistency. Simply steam or boil the cauliflower until tender and then mash it with the potatoes, oat milk, and seasonings.
how to make this low fat or healthier
To make this dairy free mashed potatoes recipe low-fat, you can reduce the amount of vegan butter or omit it altogether. The oat milk will still provide a creamy texture, and you can enhance the flavor with additional seasonings, such as garlic powder, onion powder, or fresh herbs.
how to serve, store and meal prep
Serving:
These dairy free mashed potatoes are best served warm, immediately after preparation. You can garnish them with chopped fresh chives or parsley for a touch of color and flavor. They pair well with a variety of main courses, such as roasted chicken, grilled steak, or baked fish.
Storing in the Fridge:
To store leftover mashed potatoes in the refrigerator, let them cool completely and then transfer them to an airtight container. They will keep for up to 3-4 days in the fridge.
Storing in the Freezer:
To freeze the dairy free mashed potatoes, let them cool completely and then portion them into freezer-safe containers or bags. They can be frozen for up to 2-3 months.
Reheating:
To reheat refrigerated mashed potatoes, place them in a microwave-safe bowl and heat in 30-second intervals, stirring occasionally, until warmed through. You can also reheat the dairy free mashed potatoes in a saucepan over low heat, adding a splash of oat milk or water to loosen the consistency if needed.
Preparing Ahead and Baking:
If you want to prepare the dairy free mashed potatoes ahead of time and bake them later, you can assemble the dish in a casserole dish, cover it tightly with foil, and refrigerate it for up to 24 hours. When ready to bake, remove the foil and bake in a preheated oven at 350°F for 20-30 minutes, or until heated through.

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Dairy Free Mashed Potatoes (3 Ingredients)
Ingredients
- 2 pounds russet potatoes peeled and cut into 1-inch chunks
- ¼ cup vegan butter softened
- ½ cup oat milk warmed
- garlic powder to taste (optional)
- salt and pepper to taste (optional)
- parsley for garnish (optional)
Instructions
- On a large cutting board, peel and cut potatoes into 1″ cubes.
- Place the potatoes in a large pot and cover with cold water.
- Add the salt and bring to a boil over high heat.
- Reduce heat to medium-low and simmer until the potatoes are fork-tender, about 15-20 minutes.
- Drain the potatoes and return them to the pot.
- Add milk and butter.
- Mash the potatoes with a potato masher or an electric mixer until smooth.
- Add garlic, salt, pepper and parsley.
- Continue mashing until the potatoes are creamy and well combined.
- Serve immediately and enjoy!
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