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Roasted Garlic Mashed Potatoes

  • Author: Michelle Minnaar
  • Total Time: 1 hour 20 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian


This Roasted Garlic Mashed Potatoes recipe comprise potatoes cooked with double cream, milk and roasted garlic to create this tasty dish. Best served with any kind of roast meat and greens on the side.



Roasted Garlic

  • 1 garlic bulb
  • 15ml (1 tbsp) olive oil

Mashed Potatoes

  • 1kg (2.2lbs) potatoes, peeled and sliced
  • 250ml (1 cup) double cream
  • 250ml (1 cup) milk
  • 2 thyme sprigs
  • 6g (1 tsp) salt
  • 56g (4 tbsp) butter
  • salt and pepper, to taste


  1. Roasted Garlic: Preheat the oven to 175°C / fan 155°C / 350°F / gas mark 3.
  2. Slice the top of the garlic bulb off to expose the cloves. 
  3. Place the garlic on a sheet of foil and drizzle with olive oil, then wrap it up and place it in the oven. 
  4. Roast for 40 minutes or until the garlic is very soft and golden. Remove from the oven and set aside to cool.
  5. Mashed Potatoes: Meanwhile, place the potatoes, cream, milk, thyme and salt in a large pot.
  6. Bring to the boil and then lower the heat to reach a low simmering point. Cook for 10 minutes or until the potatoes are tender.
  7. Remove the thyme sprigs then mash the potatoes. 
  8. Squeeze the roasted garlic’s innards onto the mashed potatoes. Don’t let any skins fall in! 
  9. Add the butter and give the potatoes another round of mashing, season to taste and serve immediately as part of a Thanksgiving or Christmas dinner. Enjoy!


  • Having a larger crowd over? You can easily double or triple this recipe!
  • This is quite a luxurious recipe. For a healthier version, boil the potatoes in water instead. Mash the potatoes with splashes of milk until the desired consistency is achieved. Don’t forget to add the roasted garlic!
  • If you’re vegan, you can easily substitute the recipe with vegan alternatives.
  • Prep Time: 20 minutes
  • Cook Time: 1 hour
  • Category: Side Dish
  • Method: Boil
  • Cuisine: American

Keywords: roasted garlic mashed potatoes, best garlic mashed potatoes recipe, thanksgiving potato side dish, creamy mashed potato recipe