Get ready, y’all, because we’re about to turn your kitchen into a flavor paradise! Chef Max here, and I’m sharing the ultimate recipe for Slow Cooker Buttermilk Mashed Potatoes that will have your taste buds exploding with delight. This is no ordinary mashed potato dish – it’s an insane, legendary creation that’s about to become your new go-to side.
Why You’ll Love This Slow Cooker Buttermilk Mashed Potatoes Recipe
Gather round, because this recipe is truly a game-changer. Imagine the most epic, mouth-watering mashed potatoes you’ve ever tasted, with a rich, creamy texture and a tantalizing buttermilk tang that’ll have you coming back for more. The best part? You can let your slow cooker do all the work, so you can sit back, relax, and get ready for an explosive flavor experience.
Ingredients
Gather up these incredible ingredients and let’s get this flavor party started: russet potatoes, buttermilk, butter, garlic, salt, and pepper. That’s it – just a few simple components that come together to create a sensational side dish.
- 4 lbs – Russet potatoes, peeled and cubed
- 2 cups – Buttermilk
- 4 tbsp – Unsalted butter
- 3 cloves – Garlic, minced
- 1 tsp – Kosher salt
- 1/2 tsp – Black pepper
Ingredient Substitutions
- Buttermilk: Plain Greek yogurt or sour cream (for a slightly different tang)
- Russet Potatoes: Yukon Gold or red potatoes (for a different texture and flavor)
How to Make Slow Cooker Buttermilk Mashed Potatoes Recipe
Now that we’ve got all the incredible ingredients, let’s dive into the easy-peasy steps that’ll transform your kitchen into flavor paradise!
Step 1: Prep Work
First, peel and cube those russet potatoes into bite-sized pieces. Toss them into your trusty slow cooker and get ready for the epic transformation.
Step 2: Main Cooking Process
Now, pour in that rich, tangy buttermilk and let the slow cooker work its magic. Sit back and enjoy the incredible aroma as the potatoes become infused with the buttermilk, slowly transforming into a smooth, creamy masterpiece.
Step 3: Final Steps/Assembly
Once the potatoes are fork-tender, it’s time to mash them up. Grab your trusty potato masher and get to work, mashing until the potatoes reach your desired consistency. Stir in some butter, garlic, salt, and pepper, and get ready for the ultimate flavor explosion.
Recipe Variations & Tips
- Cheesy Potatoes: Add shredded cheddar cheese to the mashed potatoes for a deliciously creamy and cheesy twist.
- Bacon Bits: Crumble crispy bacon on top of the mashed potatoes for a savory, smoky kick.
- Herb Infusion: Stir in chopped fresh herbs like chives, rosemary, or thyme to elevate the flavor profile.
- Spice It Up: Sprinkle in a pinch of cayenne pepper or smoked paprika for a touch of heat.

Serving & Storage
Serve with: These Slow Cooker Buttermilk Mashed Potatoes pair perfectly with roasted meats, grilled chicken, or even as a base for a hearty stew or chili.
Storage: Store any leftovers in an airtight container in the fridge for up to 5 days. Reheat in the microwave or on the stove until hot and creamy.
Make-Ahead: You can absolutely make these mashed potatoes ahead of time! Simply prepare the recipe and store them in the fridge until you’re ready to serve. Reheat and enjoy.
Nutrition Information
These Slow Cooker Buttermilk Mashed Potatoes are a true explosion of flavor, but they’re also a nutritious side dish that’ll fuel your body. Each serving is packed with essential nutrients, including potassium, vitamin C, and fiber, making it a sensational choice for a wholesome meal.
- Serving Size: 1 cup
- Calories: 256 kcal
- Protein: 6 g
- Carbs: 37 g
- Fat: 10 g
- Sodium: 435 mg
Frequently Asked Questions
How can I make these mashed potatoes even creamier?
To achieve an ultra-creamy texture, try adding a bit more buttermilk or a splash of heavy cream during the mashing process.
Can I make these potatoes ahead of time?
Absolutely! These Slow Cooker Buttermilk Mashed Potatoes are perfect for meal prepping. Simply make them a day or two in advance, store them in the fridge, and reheat them when you’re ready to serve.
What can I serve these potatoes with?
The possibilities are endless! These mashed potatoes pair perfectly with roasted meats, grilled chicken, or even as a base for a hearty stew or chili.
Can I use a different type of potato?
While russet potatoes are the classic choice, you can also experiment with Yukon Gold or red potatoes for a slightly different texture and flavor.
How long will these potatoes stay warm in the slow cooker?
These Slow Cooker Buttermilk Mashed Potatoes will stay warm and delicious in the slow cooker for up to 2 hours on the “warm” setting. Just be sure to give them a gentle stir before serving.
Try These Next
- Creamy Garlic Parmesan Mashed Potatoes
- Roasted Garlic Mashed Sweet Potatoes
- Roasted Garlic Parmesan Mashed Potatoes

Slow Cooker Buttermilk Mashed Potatoes
- Prep Time: 15 minutes
- Cook Time: 360 minutes
- Total Time: 375 minutes
- Yield: 6 servings 1x
- Category: Sides
- Method: Slow Cooking
- Cuisine: American
- Diet: Vegetarian
Description
This Slow Cooker Buttermilk Mashed Potatoes Recipe is creamy, buttery, and perfect for any meal. The slow cooker makes it easy to prepare, allowing the flavors to meld beautifully.
Ingredients
2 pounds of russet potatoes, peeled and cubed
1 cup of buttermilk
1/2 cup of unsalted butter
Salt to taste
Pepper to taste
1/4 cup of chopped chives
Instructions
1. Place the cubed potatoes in the slow cooker.
2. Add the butter and season with salt and pepper.
3. Cover and cook on low for 6 hours or until potatoes are tender.
4. Once cooked, mash the potatoes in the slow cooker.
5. Stir in the buttermilk until creamy.
6. Garnish with chopped chives and serve.
Notes
For extra flavor, add garlic or cheese to the potatoes before mashing.
These mashed potatoes can be kept warm in the slow cooker for up to an hour.
Nutrition
- Serving Size: 1 cup
- Calories: 250 kcal
- Sugar: 2g
- Sodium: 300mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 3g
- Protein: 4g
- Cholesterol: 30mg
Keywords: mashed potatoes, slow cooker, buttermilk
