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Crispy Garlic-Herb Roasted Potatoes

A quick alkaline parboil and a preheated pan turn Yukon Golds into shatteringly crisp, golden potatoes with soft, fluffy middles.
Deeply browned roasted potato chunks on a platter with Parmesan, rosemary, parsley, and lemon zest.

The most reliable path to crisp roasted potatoes starts before they reach the oven. Yukon Golds are ideal here: they remain intact through parboiling but develop creamy centers, while a little baking soda loosens their outer starch into a crust-ready coating.

Avocado oil is a practical high-heat choice for the 450 F roast. Garlic and herbs are deliberately held back, then briefly warmed after roasting, so their flavor stays vivid without the bitter edge of scorched garlic.

Why Yukon Gold potatoes work

Yukon Gold potatoes strike the useful middle ground between firm waxy potatoes and very starchy russets. Their pieces stay tidy as they boil and toss, yet their interiors turn tender enough to contrast with the crisp crust.

Cutting them into similar 1 1/2-inch chunks matters as much as the variety. Matching sizes cook through at the same pace and make it easier to judge their deep browning by sight.

Build more surface area

Salted water seasons the potatoes from within, while baking soda raises the water's alkalinity and helps the outer layer break down. A short shake in the dry pot turns that softened surface into tiny ridges that become the crunchy bits.

Drain thoroughly before adding oil. Steam and surface water are the enemy of browning, so the potato edges should look dry and lightly fuzzy before they go on the pan.

Roughened oil-coated Yukon Gold potato chunks are spaced across a rimmed sheet pan before roasting.
Roughened, oil-coated potato chunks spread across a preheated sheet pan before their first undisturbed roast.

Let the pan establish the crust

A preheated sheet pan gives the potatoes immediate contact heat. Leave them alone for the first roast; attempting to turn them too soon tears away the crust instead of releasing it.

When a thin spatula slides underneath easily, the browned side is ready. Turning once gives the remaining faces time to develop the same dark-gold, crunchy character.

Keep the garlic from burning

Raw grated garlic would scorch on the pan during a long 450 F roast. Instead, use a spoonful of the pan's flavorful hot oil in a small skillet and keep the heat low while the garlic and rosemary bloom.

Thirty to sixty seconds is enough: remove it from the heat when the garlic is aromatic and pale golden. Tossing it with the finished potatoes distributes its flavor without exposing it to harsh oven heat.

A crisp browned roasted potato with a fluffy center is finished with Parmesan, herbs, and lemon zest.
Deeply browned potato ridges with a fluffy interior, finished with Parmesan, rosemary, and lemon zest.

Finish with contrast

Parmesan clings to the still-hot craggy edges, adding savory depth without masking the potato flavor. Fresh parsley and lemon zest arrive at the last moment for color and a clean, fragrant lift.

Serve the potatoes right away, ideally on a wide platter in a loose layer. Keeping them uncovered protects the crisp exterior that makes this method worth the few extra minutes.

Crispy Garlic-Herb Roasted Potatoes

4 servings
65 minutes total

Ingredients

  • •  2 lb Yukon Gold potatoes, cut into 1 1/2-inch chunks
  • •  1 tbsp kosher salt, plus more to taste
  • •  1/2 tsp baking soda
  • •  1/4 cup avocado oil
  • •  4 garlic cloves, finely grated
  • •  2 tbsp chopped fresh rosemary
  • •  2 tbsp chopped fresh parsley
  • •  1/2 cup finely grated Parmesan cheese
  • •  1 tsp finely grated lemon zest
  • •  1/2 tsp freshly ground black pepper

Method

  1. Heat the oven and pan

    Set a rimmed baking sheet on the middle rack and heat the oven to 450 F so the potatoes meet a fully hot, dry surface.

    Look for: The oven is fully preheated and the empty sheet pan is hot.

  2. Parboil the potatoes

    Cover the potato chunks with cold water in a large pot, add 1 tbsp salt and the baking soda, then boil until the edges are tender and beginning to soften.

    Look for: A knife enters a chunk with slight resistance and the outer edges look softened.

  3. Dry and roughen

    Drain the potatoes thoroughly, return them to the dry hot pot, and shake gently until their surfaces look dry and a starchy paste clings to the edges.

    Look for: The chunks have craggy, lightly fluffy edges with no visible water pooling.

  4. Oil the potatoes

    Drizzle the potatoes with avocado oil and black pepper, then toss until every rough edge is lightly coated; reserve the garlic, herbs, Parmesan, and zest for later.

    Look for: The potatoes are evenly glossy but not sitting in oil.

  5. Start the roast

    Carefully spread the potatoes across the hot sheet pan in one layer, leaving space between pieces, and roast at 450 F without moving them.

    Look for: The bottoms release with deep golden-brown crusts when lifted with a thin spatula.

  6. Turn until deeply crisp

    Turn the potatoes with a thin spatula and roast until the other edges are deeply browned and the centers are fluffy when pierced.

    Look for: Multiple sides are dark golden and a fork slides through the center easily.

  7. Bloom the garlic and herbs

    Warm 1 tbsp of the hot pan oil in a small skillet over low heat, then stir in the four grated garlic cloves and rosemary for 30 to 60 seconds, just until fragrant and pale golden.

    Look for: The garlic smells sweet and aromatic but has not browned.

  8. Finish and serve

    Toss the hot potatoes with the garlic-rosemary oil, parsley, Parmesan, and lemon zest; taste, add salt if needed, and serve immediately while crisp.

    Look for: Parmesan softens onto the craggy potatoes and the lemon-herb aroma is bright.