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    Home » Sides » Garlic Confit Mashed Potatoes

    Garlic Confit Mashed Potatoes

    Updated: Oct 20, 2026 · by Valentina · 11 Comments

    This post may contain affiliate links.

    Jump to Recipe

    The only thing better than confit potatoes, is Rustic Garlic Confit Mashed Potatoes! Creamy and rich, they're a fabulous side dish for almost any meal, including Thanksgiving.

    Rustic Garlic Confit Mashed Potatoes in a small, square white dish on a red, white and orange cloth napkin.

    Do you ever have a bite of a delicious food, and without intentionally doing so, you close your eyes and moan a bit?

    Well, I think it's going to happen when you try these Garlic Confit Mashed Potatoes.

    The rich and creamy potatoes with a generous amount of slow roasted garlic, is absolutely impossible to resist.

    What does Confit Mean?

    Confit typically refers to cooking a meat in its own fat, like Duck Confit. However, the term has extended itself to vegetables cooked in a fat as well — just not their own, obviously.

    Hence these lovely potatoes cooking in olive oil.

    After getting such a positive response to my Rosemary Potatoes Confit, I tweaked them a bit by adding garlic, and then mashing them to create this deliciousness.

    Ingredient Notes

    • Idaho Dutch Yellow potatoes or fingerlings - Small, thin-skinned potatoes like these turn creamy and tender in the oil, and there's no need to peel them.
    • extra virgin olive oil - You'll need just enough to barely cover the potatoes and garlic, about 2 cups for this recipe. And it doesn't go to waste! The leftover garlic oil is delicious for cooking.
    • garlic - We use about 1 small head of garlic in this recipe. Each clove gets peeled and sliced in half lengthwise to remove the little root in the center, which can taste bitter.

    How to Make Them

    - Place the potatoes and garlic in a baking dish with enough height to cover them with oil.

    fingerling potatoes in a casserole dish with raw garlic pieces.

    - Pour in the oil to cover everything, but barely.Fingerling potatoes in a casserole dish, covered with olive oil and with raw garlic pieces.

    - Bake uncovered in a 225°F oven for 2 hours. Then turn the heat up to 400°F and cook for another 10 minutes, until the oil is sizzling a bit.Potato Garlic Confit in a casserole dish with roasted garlic.

    - Let them cool in the oil. Then use a slotted spoon to transfer the potatoes and every bit of the garlic to a mixing bowl, leaving the oil behind.

    - Mash and season.

    (More detailed instructions are in the recipe card below.)

    Close up of Rustic Garlic Confit Mashed Potatoes in a small, square white dish on a red, white and orange cloth napkin.

    Can you make them ahead?

    You can make these up to two days beforehand. Once they've cooled to room temperature, wrap them tightly with plastic wrap and refrigerate. A couple hours before serving, bring them to room temperature and heat them in the oven at about 350°F, covered with foil.

    What to Do with the Leftover Garlic Oil

    Don't toss that golden oil! It's full of mellow, roasted garlic flavor. A few of my favorite ways to use it:

    • Sauté vegetables or greens.
    • Roast potatoes or other vegetables.
    • Drizzle it over pasta or rice.
    • Use it as a salad dressing with a splash of your favorite vinegar.
    • Use it to cook quesadillas and scrambled eggs.
    • Brush it on bread or crostini before toasting.

    Important: Store the oil in an airtight container in the refrigerator, never at room temperature, and use it within 4 days. It will firm up in the fridge, so just let it sit out for a few minutes, or spoon out what you need.

    Recipe Tips

    • You can add fresh herbs to the potatoes if you'd like. Rosemary or oregano would be lovely. Place a couple of sprigs beneath the potatoes before you add the oil.
    • For a smoother mashed potato, once the potatoes and garlic are removed from the oil, you can blend them in a food processor, fitted with the blade attachment.

    More Potato Sides for Thanksgiving or Any Day

    • Close up of smashed potatoes with butter and fresh thyme.
      Garlic Herb Smashed Potatoes
    • Mashed Sweet Potatoes are super delicious and so easy to make that you'll want to serve them all through the holidays. A perfect side dish for fall and lovely for Thanksgiving, they're creamy, rich and packed with warm flavors and two large silver serving spoons.
      Mashed Sweet Potatoes with Fresh Ginger
    • Confit potatoes with rosemary sprig in a red-rimmed baking dish.
      Confit Potatoes with Rosemary
    • Round terra cotta dish filled with baked, sliced sweet potato slices.
      Baked Sweet Potato Slices with Rosemary

    Rustic Garlic Confit Mashed Potatoes are crazy delicious! Like melt-in-your-mouth and oozing-with-flavor delicious! They're an experience.

    Enjoy every single bite!

    Rustic Garlic Confit Mashed Potatoes in a small, square white dish on a red, white and orange cloth napkin.

    Garlic Confit Mashed Potatoes

    Valentina K. Wein
    These potatoes are creamy and rich, and are a fabulous side dish for almost any meal, including Thanksgiving.
    5 from 1 vote
    Print
    Prep Time 25 minutes mins
    Cook Time 2 hours hrs 10 minutes mins
    Total Time 2 hours hrs 35 minutes mins
    Course Side Dish
    Cuisine American
    Servings 4
    Calories 229 kcal

    Ingredients
     
     

    • 1 pound Idaho Dutch Yellow Potatoes or Fingerlings washed and dried
    • 2 cups extra virgin olive oil
    • ¼ cup garlic cloves about 1 small head of garlic

    Instructions
     

    • Set the oven. Preheat the oven to 225°F.
    • Prepare the potatoes. Place the potatoes in a baking dish that will hold them snugly, in a single layer, and with enough height to cover them with the oil, without getting too near the top edge. Set aside.
    • Prepare garlic and add it to the potatoes. Peel the garlic cloves, and then use a paring knife to cut off the root ends. Slice them vertically down the center and use the tip of the knife to remove the inside root.
      Add the garlic cloves to the potatoes, making sure they are evenly dispersed.
    • Add oil and bake. Pour the oil over the potatoes and garlic. It should cover them, but barely. Place the baking dish with the potatoes on a baking sheet, and then in the preheated 225°F oven, uncovered, for 2 hours. Then turn the heat to 400°F, and cook for another 10 minutes -- at this point the oil should be sizzling a bit.
    • Cool. Remove them from the oven and let them cool at room temperature in the oil.
    • Remove potatoes and garlic from oil and mash. Use a slotted spoon to transfer the potatoes and every bit of the garlic to a mixing bowl. Use a large fork to mash everything together. (I prefer the potatoes to be chunky for this dish.)
    • Season. Season generously to taste with salt and pepper. (Here's How.)
    • Save the oil. Save the garlic-infused oil in an airtight container in the refrigerator and use it within 4 days for all sorts of cooking.

    NOTES

    Herbs: for extra flavor, place a couple of sprigs of rosemary or oregano beneath the potatoes before you add the oil.
    Smoother texture: once the potatoes and garlic are out of the oil, blend them in a food processor fitted with the blade attachment.
    Make ahead: make them up to two days ahead. Once cooled, wrap tightly and refrigerate. A couple of hours before serving, bring them to room temperature and heat them in a 350°F oven, covered with foil.
    Garlic oil: always store the leftover garlic-infused oil in the refrigerator (never at room temperature) and use it within 4 days.
    Nutritional information is automatically calculated, so it should only be used as an estimate.

    NUTRITION

    Calories: 229kcal | Carbohydrates: 25g | Protein: 3g | Fat: 14g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 10g | Sodium: 10mg | Potassium: 537mg | Fiber: 3g | Sugar: 1g | Vitamin A: 4IU | Vitamin C: 27mg | Calcium: 41mg | Iron: 1mg
    Keywords great for Thanksgiving, fall comfort food recipes
    Have you tried this recipe?I'd love to see it on Instagram! Tag me at @cookingontheweekends or leave a comment & rating below.

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    Reader Interactions

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    1. Ben | Havocinthekitchen

      November 23, 2021 at 4:15 am

      5 stars
      I've never tried this method for making mashed potatoes - but oh man - this looks terrific. Ultimately comfort, delicious, and dangerous (Because it will not be possible to stop eating haha) dish!

      Reply
      • valentina

        December 03, 2021 at 10:04 am

        Well, that's my experience with it. 😉
        Hope you give it a go sometime and love it. Thanks so much, Ben. ~Valentina

        Reply
    2. Chef Mimi

      November 18, 2021 at 4:35 pm

      Mmmmmmm what a fabulous idea! I love confit anything and everything!

      Reply
      • valentina

        November 18, 2021 at 8:51 pm

        Thank you so much, Mimi! I think "confit" is a magic word. 😉 ~Valentina

        Reply
      • valentina

        November 19, 2021 at 7:34 pm

        Me too, Mimi! Thanks so much and enjoy. 🙂 ~Valentina

        Reply
    3. Penny

      July 14, 2016 at 4:07 am

      Do you eat them cold? If not, what is best way to reheat?

      Reply
      • valentina

        July 14, 2016 at 3:03 pm

        Warm/hot is best! Reheat in the oven (covered with foil at about 350 for 15 minutes or so), or in the microwave. Enjoy!

        Reply
    4. sylvie

      February 20, 2015 at 10:11 am

      I won't begin my slimming diet right now, these potatoes make me dreaming too much!

      Reply
      • valentina

        February 20, 2015 at 11:51 pm

        Enjoy! 🙂

        Reply
    5. Judy at Two Broads Travel

      January 10, 2015 at 3:57 pm

      You had me at confit, then you add potatoes. Brilliant, simply brilliant. This will be at my next dinner. Thanks so much.

      Reply
      • valentina

        January 16, 2015 at 2:13 pm

        Thank YOU Judy. I hope you love them as much as I did!

        Reply

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    Hi, I'm Valentina, certified chef, owner, recipe developer and photographer at Cooking on the Weekends. I'm also a mom of two sons and a Los Angeleno. I use seasonal whole foods to create unique and comforting recipes for casual entertaining.

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