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Creamy Garlic Confit Mashed Potatoes (with Milk)

November 3, 2025 by Christy Gurin | Rate Recipe

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Garlic confit mashed potatoes are the side dish that steals the show! With deep roasted garlic flavor, buttery deliciousness and a fluffy texture that pairs well with any main dish. This mashed potatoes recipe is so flavorful that it will be the only way you want to do mashed potatoes from now on.

Bowl of garlic confit mashed potatoes topped with roasted garlic cloves, fresh thyme, and a drizzle of olive oil.

I don’t know about you but when mashed potatoes are good, they are so good. It’s one of those side dish recipes that can be utterly forgettable and just a vessel for gravy OR it can be the side dish that makes the meal. This mashed potato recipe is the latter.

Garlic confit mashed potatoes take an extra step since you need to make the garlic confit but it’s worth it! Yes, you can make simple garlic mashed potatoes without roasting it first. But roasting in oil brings out the best flavor. Plus it has that same buttery richness you get from using half and half or heavy cream even though you use whole milk instead.

Serve this epic side alongside my juicy Traeger smoked turkey breast and apple cranberry stuffing recipe or with another saucy main dish for a truly delicious meal.

Ingredients

While the dish might be decadent, the ingredients for making mashed potatoes with garlic confit are simple and easy to source. Everything you need is shown in both the image below and the recipe card.

A bowl of potatoes surrounded by butter, thyme, oil, milk, garlic, salt, and pepper on a white surface.

How to Make this Mashed Potato Recipe

  1. First and foremost, let’s roast that garlic! Place the cloves in a ramekin with olive oil and thyme and roast for about 45 minutes.
    A bowl of garlic cloves in olive oil with fresh thyme sprigs on top, seen from above. A white bowl filled with roasted garlic cloves and herbs in olive oil on a white surface.
  2. While the garlic is roasting, boil your potatoes until fork tender and then drain. Do it at a simmer instead of a high boil to keep potatoes intact.
    Peeled, boiled potatoes in a black colander on a white surface.
  3. Mash strained roasted garlic cloves in the same pot you used to boil the potatoes.
    A potato masher mashing cooked garlic and onions in a stainless steel pan on a marble surface.
  4. Add potatoes, milk, butter, salt and pepper back into the pot and mash away! I prefer using a potato masher instead of a hand mixer but this is up to your personal preference.
    A pot of mashed potatoes with butter, salt, pepper, and a masher on a white countertop.
  5. Season and adjust salt and pepper level to your personal taste and place mashed potatoes into a serving bowl. Drizzle on a bit of that garlic confit oil and any reserved garlic cloves and serve.

  • I normally squash garlic cloves with the back of the knife to remove the skins, but for this recipe, you want to keep them intact. My favorite trick for removing the cloves and keep them intact is to break them off the root end and then shake the cloves in a glass jar to loosen the skins. OR, skip it altogether and buy raw pre-peeled garlic cloves!
  • Double the garlic confit and serve half of it with crusty bread or crostini as an appetizer.
  • To make it kid-friendly, just skip adding the extra cloves on top and mash all of the confit into the mashed potatoes themselves.
Recipe
Bowl of garlic confit mashed potatoes topped with roasted garlic cloves, fresh thyme, and a drizzle of olive oil.
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Creamy Garlic Confit Mashed Potatoes (with Milk)

Created by: Christy Gurin
Prep Time 20 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr 5 minutes mins
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Prep Time 20 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr 5 minutes mins
8
Garlic confit mashed potatoes are the side dish that steals the show! With deep roasted garlic flavor, buttery deliciousness and a fluffy texture that pairs well with any main dish. This mashed potatoes recipe is so flavorful that it will be the only way you want to do mashed potatoes from now on.
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Equipment

  • 1 Large pot
  • 1 Ramekin or small baking dish
  • 1 Measuring cups and spoons set
  • 1 Potato Masher

Ingredients
 

Garlic Confit

  • 2 garlic heads cloves removed
  • ¼ cup extra virgin olive oil
  • 2 sprigs of thyme

Mashed Potatoes

  • 3 lbs. Yukon gold potatoes peeled and quartered or halved into similar sized pieces
  • ½ cup whole milk
  • ¼ cup butter 1/2 stick
  • 1 ½ teaspoon salt to taste
  • ½ teaspoon black pepper to taste

Instructions

  • Preheat oven to 325° F (165° C). Place garlic in a ramekin or other small baking dish, cover with oil, thyme and salt. It’s okay if some of the garlic is not submerged but most of the cloves should be covered with oil and feel free to add more oil if needed. Bake for about 45 minutes until the cloves are soft and starting to turn golden.
    2 garlic heads, ¼ cup extra virgin olive oil, 2 sprigs of thyme
  • While garlic is roasting, boil potatoes by placing them in a pot and filling it with water. Place the pot over high heat and bring to a boil. Reduce the heat so that potatoes cook at a simmer until fork tender (about 15-minutes depending on size) and then drain.
    3 lbs. Yukon gold potatoes
  • Add roasted garlic to the pot that the potatoes were cooked in and mash with a potato masher. Save the oil to add a little to the top of the potatoes later on and the rest can be used in something else. You can set aside a few of the garlic cloves to place on top as a garish as well.
  • Add potatoes back to the pot and mash. Add in the milk, butter, salt and pepper and mash until smooth. You can also use a hand mixer if you want them creamy and lump free but be careful to not over mix or they’ll be pasty and glue-like so be careful!
    ½ cup whole milk, ¼ cup butter, 1 ½ teaspoon salt, ½ teaspoon black pepper
  • Adjust salt and pepper to taste and add to serving bowl. Top with 1-2 tablespoons of the garlic confit oil and reserved garlic cloves. You can also top with a few thyme sprigs, fresh chopped chives, or parsley as garnish before serving.

Notes

To make ahead garlic confit head of time: You can make the garlic confit a few days in advance and store in the refrigerator for faster prep time later on. Let it come to room temperature while you boil the potatoes and then use as instructed in the recipe. 
To make mashed potatoes ahead of time: Mashed potatoes can be prepared up to 3 days in advance and stored in the fridge. Reheat in a pot on the stovetop over low heat, stirring occasionally or bake covered in the oven until warm. You can also use the microwave. Spoon garlic confit oil onto mashed potatoes just before serving. 
Uses for leftover garlic confit oil: store leftover oil in the refrigerator for up to 2 weeks, allowing to come to room temperature before using. Use in salad dressing, pasta, seasoning roasted vegetables – basically any savory dish where you would use olive oil.

Nutrition

Calories: 216kcal | Carbohydrates: 31g | Protein: 4g | Fat: 9g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.2g | Cholesterol: 17mg | Sodium: 498mg | Potassium: 747mg | Fiber: 4g | Sugar: 2g | Vitamin A: 218IU | Vitamin C: 34mg | Calcium: 44mg | Iron: 1mg

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posted in: Gluten Free, Meal Prep, Oven, Recipes, Side Dishes, Stove Top, Vegetables, Vegetarian

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I started cooking, baking, and helping in the kitchen when I was old enough to reach the counter. I am a food lover with a focus on quick and easy dinners using wholesome ingredients that are approachable for the home chef. If you crave flavor but always find yourself short on time, you’re in the right place.

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