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  • Recipes
  • Roast Garlic & Olive Oil Mash

Roast Garlic & Olive Oil Mash

Roast Garlic & Olive Oil Mash

By Morrisons
Published on 28 April 2025
Decadent mashed potatoes recipe with whole roasted garlic for a smooth, flavourful side. Easy to follow method using King Edwards or Maris Piper potatoes. Perfect with steak.
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Time and servings

45 minsTotal time
4Servings
15 minsPrep time
30 minsCooking time

Ingredients

  • 900g potatoes peeled and chopped into medium, even chunks (King Edwards or Maris Piper)
  • 1 whole garlic bulb
  • 50g butter
  • 75ml extra virgin olive oil

Method

  1. Step 1

    Boil a kettle of water and pre-heat the oven to 180C/160C fan/gas 4. Once heated, pop your whole garlic bulb into the oven for 25-30 mins.
  2. Step 2

    Whilst you wait, add your potatoes to a large, deep pan, pour over so fully covered in boiling water, add a pinch of salt and cover and simmer over a medium heat for 20 mins. Check they are done by poking a potato with a fork - it should slip off the fork and be soft inside.
  3. Step 3

    Once your potatoes are ready, drain and return to the pan before adding your butter and half the oil and mashing with a potato masher until lump-free and smooth. Once smooth, use a spoon to whip in and incorporate the rest of the oil.
  4. Step 4

    Remove your garlic from the oven (careful it will be hot) and use the back of a knife to carefully squeeze out all of the roast garlic from its skin. Mush the garlic with a fork into a smooth paste before adding to your potatoes and mixing until combined.
  5. Step 5

    Season your mash with salt and cracked black pepper, stir, taste and serve as a decadent side to your steak dinner.