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Roasted Garlic Mashed Potatoes

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Ingredients (~8-10 servings)

  • 3 heads garlic
  • 1/4 cup olive oil (divided)
  • 4 1/2 lbs Russet potatoes, peeled and quartered
  • 2 1/4 cups heavy cream
  • 1 1/2 cups Parmesan cheese, shredded
  • 6 Tbsp salted butter
  • 1/2 tsp salt
  • 1/4 cup fresh thyme
  • Black pepper, freshly ground

Get the Garlic Roasting First

Preheat your oven to 400F.

Slice off the top 1/2 inch of each garlic head and scrape out any loose papery skin.

Place the garlic heads on a piece of foil and drizzle 1 Tbsp of olive oil over the exposed cloves. Wrap tightly in foil.

Roast for ~45 minutes until the cloves are soft and golden brown when you peek at them.

Once cool enough to handle, squeeze the roasted cloves out into a small bowl with the remaining 3 Tbsp olive oil. The cloves should pop right out.

Boil the Potatoes While Garlic Roasts

Add the quartered potatoes to a large pot and cover with cold water by ~2 inches.

Bring to a boil and cook for ~15-20 minutes until you can easily pierce them with a fork.

Don’t let them get mushy – they’ll fall apart when you try to drain them.

Drain thoroughly. This is important – any leftover water makes the potatoes watery and weird.

Mash and Finish the Potatoes

Mash the hot potatoes in a large bowl until smooth.

In the same pot you used for boiling, heat the heavy cream over medium heat until warm.

Add the mashed potatoes back to the pot with the warm cream. Add the Parmesan, butter, and salt.

Stir everything together over low-medium heat for ~5 minutes until the cheese melts completely and you get the consistency you want.

Taste and add more salt if needed.

Serve with the Roasted Garlic

Spoon the potatoes into bowls and drizzle with some of the garlic-infused olive oil.

Top with the roasted garlic cloves, fresh thyme, and freshly ground black pepper.

The roasted garlic cloves are soft enough to spread right into each bite.

Roasted Garlic Mashed Potatoes

I grew up with mashed potatoes as the default side but the roasted garlic takes them to another level – it’s sweet, mellow, and way more interesting than regular garlic powder. The whole thing takes about an hour but most of that is just waiting for the garlic to roast.
prep time:20 minutes
cook time:1 hour
total time:1 hour 20 minutes

Ingredients

Ingredients (~8-10 servings)

  • 3 heads garlic
  • 1/4 cup olive oil divided
  • 4 1/2 lbs Russet potatoes peeled and quartered
  • 2 1/4 cups heavy cream
  • 1 1/2 cups Parmesan cheese shredded
  • 6 Tbsp salted butter
  • 1/2 tsp salt
  • 1/4 cup fresh thyme
  • Black pepper freshly ground

Instructions

  • Preheat oven to 400F.
  • Cut tops off garlic heads, drizzle with 1 Tbsp olive oil, wrap in foil, and roast 45 minutes until soft.
  • Boil peeled potato quarters in cold water 15-20 minutes until fork-tender.
  • Drain potatoes thoroughly.
  • Mash potatoes in large bowl.
  • Warm heavy cream in pot, add potatoes, Parmesan, butter, and salt.
  • Stir over low-medium heat 5 minutes until cheese melts.
  • Squeeze roasted garlic cloves into remaining olive oil.
  • Spoon potatoes into serving bowls.
  • Drizzle with garlic-infused oil.
  • Top with roasted garlic cloves, fresh thyme, and black pepper.

Notes

Roasted garlic cloves can be spread directly into potatoes for extra flavor.
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Hi, i'm Mira!

I’m a home cook who loves sharing recipes passed down from my family – all with simple, clear instructions that make cooking at home a joy.

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