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Why This Recipe Works
- Double cooking: A quick boil plus a hot roast guarantees fluffy interiors and glass-crisp shells.
- Smash technique: Flattening the potatoes maximizes surface area for golden crunch.
- Infused oil: Warm herbs and garlic in the oil before tossing—it clings better and perfumes every bite.
- Egg-free aioli: Greek-yogurt base keeps things light, tangy, and week-night friendly.
- Make-ahead friendly: Boil and smash the potatoes up to 2 days ahead; finish in the oven when guests arrive.
- Universal crowd-pleaser: Gluten-free, nut-free, vegetarian, and easily vegan if you swap yogurt for coconut yogurt.
Ingredients You'll Need
Before we talk crispy exteriors, let’s stock your station with the right players. Quality matters here—think of these potatoes as the little black dress of your kitchen: simple, timeless, and only as good as the fit (and the salt).
- Baby (or new) potatoes: 2 lb / 900 g, ideally 1–1½ inches. Look for skins that are thin and papery, no green spots or sprouts. Yellow Dutch or red-skinned both work; just keep them uniform so they cook evenly.
- Kosher salt: For salting the boil water. I use Diamond Crystal; if you use Morton, cut volume by 25 %.
- Extra-virgin olive oil: â…“ cup. A fruity, peppery oil gives backbone to the crust. Save the ultra-delicate finishing oils for salad.
- Garlic: 6 cloves. We’re going to infuse the oil with smashed cloves and also grate one raw clove into the aioli for dual-layer garlic bliss.
- Fresh rosemary & thyme: A few sprigs each. Woody herbs hold up to high heat; their needles turn into crackly herb “sprinkles.”
- Freshly cracked black pepper: I keep a mixed peppercorn blend for complexity.
- Paprika: Just ½ teaspoon for subtle smoky sweetness that deepens color.
- Greek yogurt: ½ cup, full-fat for silkiness. If you only have 2 %, stir in 1 tsp olive oil to compensate.
- Lemon: Zest plus 1 Tbsp juice. The acid lifts both potato and aioli.
- Dijon mustard: 1 tsp. It emulsifies the aioli and adds gentle heat.
- Optional flair: A pinch of smoked paprika or 1 tsp harissa paste swirled into the aioli for those who like to play with fire.
How to Make Crispy Smashed Potatoes with Garlic Aioli for Snacks
Brine & Boil
Scrub potatoes but leave skins intact. Place in a large saucepan, cover with cold water by 1 inch, and season aggressively: 1 Tbsp kosher salt per quart of water. Bring to a boil, then reduce to a lively simmer until a paring knife slides through with zero resistance—12 to 18 min depending on size. Drain thoroughly and let steam-dry in the colander for 3 min; surface moisture is the enemy of crunch.
Heat & Infuse
While the potatoes simmer, pour olive oil into a small skillet set over medium-low heat. Add 4 smashed garlic cloves, rosemary, and thyme. Let the oil sizzle gently—tiny bubbles, not a rolling fry—for 5 min until the garlic is golden and herbs crisp. Remove from heat; discard herbs but keep the garlic for smashing into the aioli later.
Preheat & Prep Pan
Set a dark, heavy sheet pan (half-sheet size) in the oven and preheat to 450 °F / 230 °C. A screaming-hot tray seizes the bottom of the potato, creating a caramelized “foot” that tastes like the edge of a french fry.
The Smash
Transfer potatoes to a mixing bowl. Drizzle with 2 Tbsp of the infused oil, ½ tsp kosher salt, ½ tsp paprika, and several grinds of black pepper. Toss gently. When the sheet pan is hot, carefully slide it out. Arrange potatoes 2 inches apart. Using the flat bottom of a heavy drinking glass or a measuring cup, press each potato to ½-inch thickness. They should sizzle on contact—music to your ears.
Roast to Glory
Return pan to oven and roast 20 min. Flip with a thin metal spatula, pressing again gently to re-expose fresh surfaces. Roast another 15–20 min until edges are deep amber and centers creamy. If you like them extra crunchy, broil 1–2 min at the end—watch like a hawk.
Garlic Aioli in 60 Seconds
In a small bowl, whisk together yogurt, zest, lemon juice, Dijon, and 1 finely grated raw garlic clove. Mash the reserved roasted garlic into a paste and whisk it in too. Drizzle 1 Tbsp of the infused oil while whisking. Season with salt and pepper; thin with 1–2 tsp water for drizzling consistency.
Plate & Serve
Pile potatoes on a warm platter, shower with flaky salt, and serve the aioli in a ramekin for dipping—or go rogue and stripe it across the top. Finish with extra lemon zest or chopped chives if you’re feeling fancy.
Expert Tips
Dry = Crisp
After boiling, spread potatoes on a kitchen-towel-lined tray and refrigerate 15 min. Cool, dry potatoes smash without tearing and crust better.
Don’t Crowd
Airflow equals crunch. Use two pans rather than packing one; you can rotate shelves halfway.
Reuse the Oil
Strain leftover herb oil into a jar; it’s liquid gold for scrambling eggs or dressing roasted vegetables.
Overnight Hack
Boil and smash the day before; cover tightly and chill. When ready to serve, drizzle with oil and roast 25 min straight from the fridge.
Color Cue
Once the edges turn chestnut brown, you’re 2 minutes from perfect. Set a timer; potatoes go from bronzed to bitter quickly.
Flavor Layer
Whisk 1 tsp white miso into the aioli for subtle umami that keeps everyone guessing.
Variations to Try
- Spicy Chili-Lime: Swap paprika for ancho chile powder and add ÂĽ tsp cayenne. Finish with lime zest and cilantro. Mix 1 tsp sriracha into the aioli.
- Rosemary-Parmesan: Sprinkle ÂĽ cup finely grated Parm over potatoes during the last 3 min of roasting. Add cracked pepper and lemon zest.
- Everything-Bagel: Brush with butter instead of oil and dust with everything-bagel seasoning immediately after roasting.
Storage Tips
Leftover potatoes will keep in an airtight container in the refrigerator up to 4 days. Reheat in a 400 °F oven or air-fryer for 8–10 min to restore crispness—microwaves turn them rubbery. The aioli stays fresh 5 days; always store covered and give it a good stir before serving because lemon juice can separate.
Freezer: Flash-freeze cooled potatoes on a tray, then transfer to a zip bag for up to 2 months. Roast from frozen 12–15 min at 425 °F. Texture won’t be quite as shattering but still head-and-shoulders above any freezer fry.
Frequently Asked Questions
Crispy Smashed Potatoes with Garlic Aioli for Snacks
Ingredients
Instructions
- Boil potatoes: Place potatoes in a pot, cover with cold salted water, and simmer until fork-tender, 12–18 min. Drain and let steam-dry 3 min.
- Infuse oil: While potatoes cook, warm olive oil with smashed garlic, rosemary, and thyme over low heat 5 min. Discard herbs.
- Preheat sheet pan: Put a dry sheet pan in the oven and preheat to 450 °F.
- Season: Toss cooked potatoes with 2 Tbsp infused oil, paprika, and black pepper.
- Smash & roast: Carefully transfer potatoes to hot pan; smash to ½-inch thick. Roast 20 min, flip, roast 15–20 min more until crisp.
- Make aioli: Whisk yogurt, lemon juice, zest, Dijon, and grated garlic. Thin with water to drizzling consistency.
- Serve: Pile potatoes on a platter, sprinkle flaky salt, and serve with aioli for dipping.
Recipe Notes
For the crunchiest crust, do not overcrowd the pan and resist flipping too early—potatoes release easily once crust forms. Aioli can be made 5 days ahead; store chilled.
