Creamy and fluffy mashed potatoes with a secret cheesy ingredient. Make these Boursin cheese mashed potatoes for an easy Thanksgiving side dish.

White serving bowl with boursin cheese mashed potatoes with chives and a gold serving spoon

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Say hello to the best ever mashed potato recipe — creamy, cheesy, and bursting with herby flavor. And it’s designed by a Registered Dietitian, so it’s delicious but not overly indulgent.

This easy recipe uses a handful of simple ingredients for maximum flavor and a dreamy texture. With Garlic and Fine Herbs Boursin cheese, lots of fresh garlic, butter, and some bouillon, these potatoes will become your new side dish staple.

If you’re looking for a simple Thanksgiving or holiday side dish that will impress your guests, these Boursin mashed potatoes are it!

Why you’ll love Boursin cheese mashed potatoes

So unbelievably delicious: The simple ingredients list is packed with flavor from fresh garlic, Boursin, chives, bouillon, butter, and milk.

Creamy and fluffy: These cheesy mashed potatoes are creamy yet light with the perfect texture.

Easy: This delicious mashed potato recipe is fool-proof and can be made no matter your cooking experience.

Quick: This recipe comes together in about 30-minutes for a side dish you don’t have to stress over.

Gluten-free: Everything in this recipe (including the Boursin!) is gluten-free to fit your dietary restrictions.

What’s in Boursin cheese mashed potatoes

Here’s what you’ll need to make this recipe:

Ingredients for Boursin cheese mashed potatoes displayed in small bowls on a wooden cutting board
  • Yukon gold potatoes — you could also use baby potatoes. I keep the skin on to keep things easy but you’re welcome to peel them.
  • Salted butter
  • Fresh garlic
  • Chicken or vegetable bouillon paste (I use Better Than Bouillon Chicken Base)
  • Milk — you could use half-and-half instead but I prefer a more balanced recipe since the Boursin cheese is a little heavy
  • Salt and pepper
  • Garlic and Fine Herbs Boursin Cheese — feel free to use any flavor you love
  • Fresh chives — used in the potatoes and as a garnish

Step-by-step instructions

Here’s how to make Boursin mashed potatoes:

Add potatoes to a large pot and cover with cold water. Bring to a boil and cook for 20-25 minutes or until potatoes fall apart when pierced with a fork. While your potatoes are cooking, measure the remaining ingredients because you’ll have to work quickly. Drain potatoes and keep them outside of the pot.

Quartered yukon gold potatoes in a large Dutch oven with water
Cooked and drained Yukon gold potatoes (roughly chopped) in a metal strainer

Working quickly, adjust the heat to medium-low. Add butter and melt completely. Then, add your garlic and cook for 1-2 minutes or until just fragrant, stirring frequently. Immediately add back your potatoes along with bouillon, milk, pepper, salt, boursin, and chives. Turn off the heat.

Butter and minced garlic cooking in a large Dutch oven
All ingredients for Boursin cheese mashed potatoes in a large Dutch oven, not yet mashed.

Mash until smooth, but don’t over-mash! Taste and adjust salt as needed. Transfer to a serving bowl and top with more chives. Serve immediately.

Boursin cheese mashed potatoes finished in a large Dutch oven, with a wooden spoon sitting in the mixture

Tips for success

It’s hard to go wrong with this fool-proof recipe for Boursin mashed potatoes, but here are my top tips for success:

  • Use Yukon gold or mini yellow potatoes for the best flavor
  • Make sure your potatoes are boiled until they’re easily pierced with a fork
  • Don’t over-mash your potatoes or they can get gluey

How to store and re-heat

Storing leftovers: Transfer Boursin cheese mashed potatoes to a food container with a fitted lid. Store in the fridge, covered, for up to three days.

Re-heat: You can re-heat your mashed potatoes in the microwave or stovetop. Either way, add a splash of chicken broth or a pat of butter before re-heating to moisten. Cook only until just heated through to avoid drying out your mashed potatoes.

White bowl containing Boursin mashed potatoes, garnished with a pat of butter and chopped chives.

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Frequently asked questions

Should I peel my potatoes?

It’s up to you! I enjoy mashed potatoes with a bit of texture, so I make this recipe with the skin-on. You can peel potatoes before boiling if you wish. Either way, make sure you’re using Yukon gold or baby golden potatoes, and not a variety with thicker skin.

Can I use a different Boursin flavor?

Sure, feel free to use whatever flavor of Boursin you enjoy. I designed this recipe for the Garlic and Fine Herbs flavor, but I think Shallot & Chive or Bouquet of Basil & Chives would be delicious.

What if I don’t have bouillon paste?

If you don’t have a bouillon paste, you can substitute half the milk for chicken broth. Or, add a sprinkle of bouillon powder. You could also leave it out entirely, but you may need to adjust the salt if you do.

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White serving bowl with boursin cheese mashed potatoes with chives and a gold serving spoon
5 from 2 votes

Boursin Cheese Mashed Potatoes

Yield: 6
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Creamy and fluffy mashed potatoes with a secret cheesy ingredient. Make these Boursin cheese mashed potatoes for an easy Thanksgiving or weeknight side dish.

Ingredients
 

  • 2 lbs yukon gold potatoes, washed and quartered (peel if desired but I didn't)
  • 1/4 cup salted butter, softened
  • 5 cloves garlic, minced
  • 1 tsp chicken or vegetable bouillon paste, I use Better Than Bouillon Chicken Base
  • 1/2 cup milk
  • black pepper
  • 1/2 tsp salt
  • 1 5-ounce package Garlic and Fine Herbs Boursin Cheese
  • 2 Tbsp finely chopped chives, plus more for topping

Equipment

Instructions
 

  • Add potatoes to a large pot and cover with cold water. Bring to a boil and cook for 20-25 minutes or until potatoes fall apart when pierced with a fork. While your potatoes are cooking, measure the remaining ingredients because you'll have to work quickly. Drain potatoes and keep them outside of the pot.
  • Working quickly, adjust the heat to medium-low. Add butter and melt completely. Then, add your garlic and cook for 1-2 minutes or until just fragrant, stirring frequently.
  • Remove from heat. Immediately add back your potatoes along with bouillon, milk, pepper, salt, boursin, and chives.
  • Mash until smooth, but don't over-mash! Taste and adjust salt as needed. Transfer to a serving bowl and top with more chives. Serve immediately.

Notes

  • 2 lbs is about 5-6 medium potatoes
Calories: 300kcal, Carbohydrates: 31g, Protein: 6g, Fat: 18g, Saturated Fat: 5g, Polyunsaturated Fat: 0.4g, Monounsaturated Fat: 2g, Trans Fat: 0.3g, Cholesterol: 23mg, Sodium: 400mg, Potassium: 679mg, Fiber: 3g, Sugar: 2g, Vitamin A: 273IU, Vitamin C: 31mg, Calcium: 50mg, Iron: 1mg
Cuisine: American
Course: Side Dish