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The Ultimate Crispy Roast Potatoes: Foolproof Method for Golden Crunch and Fluffy Centers

A pile of golden brown, crispy roast potatoes stacked on a white plate, showing a fluffy interior.
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Learn the simple technique to make roast potatoes with a perfectly crisp, golden exterior and a light, fluffy interior every time you cook. This recipe focuses on guaranteed crunch for your perfect side dish.

Ingredients

Scale
  • 3 lbs Russet or Yukon Gold potatoes, peeled and cut into uniform 1.5-inch chunks
  • 1/2 cup high-heat cooking fat (like duck fat, beef tallow, or vegetable oil)
  • 2 teaspoons coarse salt
  • 1 teaspoon black pepper
  • 4 cloves garlic, smashed (optional)
  • 3 sprigs fresh rosemary (optional)
  • 1 teaspoon baking soda (for the water)

Instructions

  1. Preheat your oven to 425 degrees Fahrenheit (220 degrees Celsius). Place your chosen fat into a large roasting pan and put the pan in the oven while it preheats.
  2. Place the cut potatoes into a large pot and cover them with cold water. Add the baking soda and 1 teaspoon of salt to the water. Bring the water to a rolling boil over high heat.
  3. Boil the potatoes for 8 to 10 minutes. You want the edges to start looking soft and slightly broken down, but the centers should still be firm. This step is key for crispiness.
  4. Carefully drain the potatoes completely in a colander. Let them sit for 5 minutes to allow excess steam to escape.
  5. Gently shake the colander for about 30 seconds. This roughs up the edges of the potatoes, creating more surface area for crisping.
  6. Carefully remove the hot roasting pan from the oven. The fat should be shimmering hot. Gently place the roughed-up potatoes into the hot fat, turning them to coat. Do not overcrowd the pan; work in batches if necessary.
  7. Return the pan to the oven and roast for 20 minutes.
  8. Remove the pan. If using, add the smashed garlic cloves and rosemary sprigs around the potatoes. Gently turn the potatoes once.
  9. Return the pan to the oven and roast for another 20 to 30 minutes, or until the potatoes are deep golden brown and extremely crunchy.
  10. Remove from the oven, sprinkle with the remaining coarse salt and pepper, and serve immediately as your perfect side dish.

Notes

  • Using baking soda in the boiling water helps break down the starches on the surface, which leads to maximum crunch when roasting.
  • Do not skip the shaking step; creating that starchy ‘slurry’ on the outside is the secret to fluffy insides and crispy outsides.
  • Ensure your fat is hot before adding the potatoes; this stops them from sticking and starts the crisping process immediately.

Nutrition

Find it online: https://littlekitchendiary.com/ultimate-crispy-roast-potatoes-foolproof-method/