Name: Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: Mediterranean
Ingredients: 3 pounds red-skinned potatoes, quartered or halved depending on size; 1 tablespoon kosher salt (for boiling); 1/2 teaspoon baking soda; 1/2 teaspoon kosher salt (for seasoning); 3/4 teaspoon ground black pepper; 5 tablespoons extra virgin olive oil; Dukkah (optional, for serving); 3-4 serrano peppers, finely chopped (seeds removed for less heat); 3 large garlic cloves, minced; 1 cup roughly chopped fresh cilantro; 1/4 cup lemon juice (about 1 large lemon); 2 tablespoons white wine vinegar; 1/4 cup finely chopped walnuts; 1/2 teaspoon kosher salt; 3/4 cup extra virgin olive oil

Jump to Recipe· 3.8 from 51 reviews

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If you have a craving for a dish that brings the perfect combination of crispiness, zest, and a little kick, then you’re going to adore this Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe. It’s one of those recipes that takes humble red-skinned potatoes and transforms them into golden, crunchy bites bursting with flavor, thanks to a vibrant walnut and cilantro chili sauce that adds an irresistible punch. This dish is comforting yet exciting, simple yet sophisticated – exactly what makes weeknight meals feel special without the fuss.

Ingredients You’ll Need

A white bowl filled with smooth, red potatoes with some spots, placed near fresh green cilantro leaves. On a light blue board next to the bowl, there are four long, green peppers, three garlic cloves, two lemon halves showing a bright yellow inside, a small white bowl filled with chopped nuts, and another small white bowl with crushed red pepper flakes. Above the board, there is a smaller divided dish with salt and black pepper and a glass bottle filled with golden oil next to a cup of light yellow liquid. The whole setup is on a white marbled surface with soft sunlight casting gentle shadows, photo taken with an iphone --ar 4:5 --v 7

This recipe is a beautiful balance of straightforward, pantry-friendly ingredients and a few fresh touches that work in harmony to create a dish full of texture and brightness. Each ingredient plays a vital role, from the sturdy red potatoes that get ultra-crispy to the spicy-sweet sauce that lifts the whole plate to new heights.

Kosher salt: Essential for seasoning both the potatoes and balancing the flavors in the sauce perfectly.

Baking soda: A small pinch helps soften the potato skins and promotes that coveted crispiness during roasting.
Red-skinned potatoes: The star of the recipe, their waxy texture stays firm on the inside while getting beautifully crunchy outside.
Ground black pepper: Adds a subtle earthiness that pairs beautifully with the potatoes’ natural sweetness.

Extra virgin olive oil: Used generously to coat the potatoes and create that vibrant golden finish while adding fruity richness.
Dukkah (optional): A nutty, aromatic topping that brings some extra depth and crunch if you want to experiment.
Serrano peppers: Fresh and fiery, they inject the chili sauce with a lively heat that doesn’t overpower.

Garlic cloves: Minced fresh to layer an unmistakable savory warmth in the sauce.
Fresh cilantro: Gives a burst of brightness and herbal vibrance that refreshes every bite.
Lemon juice: Adds essential acidity to balance the richness and heat in the chili sauce.

White wine vinegar: Complements the lemon by elevating the sauce’s tang and complexity.
Walnuts: Chopped finely for a crunchy texture and subtle nuttiness in the sauce.

How to Make Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe

A white bowl filled with a green mixture made of finely chopped herbs and nuts, showing a mix of leafy and crunchy textures, with small pieces of light brown nuts and bright green herbs evenly spread throughout. A silver spoon rests inside the bowl, partially covered by the mixture. The bowl is placed on a light blue cutting board next to a half lemon and fresh green herbs. The background surface is a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

Step 1: Prepare Your Oven and Bakeware

Start by positioning your oven rack in the center and preheat to a hot 450°F. This high heat is crucial because it’s what makes the potatoes crisp up so beautifully. Place a large, rimmed sheet pan on the rack to heat up as well, ensuring an instant sizzle when the potatoes hit the pan—this is the secret to that irresistible crust.

Step 2: Boil the Potatoes for the Perfect Texture

Bring about 8 cups of salted water to a rolling boil and stir in baking soda. The baking soda slightly breaks down potato skins so they soften while cooking and later crisp up when roasted. Add the quartered red potatoes and let them cook just until tender but still holding their shape—about 10 to 15 minutes after boiling. Drain and let the potatoes sit briefly; this resting time helps excess moisture evaporate, so they crisp up much better in the oven.

Step 3: Season and Coat the Potatoes

Return the drained potatoes to the pot, then sprinkle a pinch of kosher salt and freshly ground black pepper over them. Drizzle the extra virgin olive oil generously, then give the pot a good shake so each piece is luxuriously coated. This oil not only helps with the roasting but also deepens the flavor and promotes that stunning golden crust.

Step 4: Roast the Potatoes for Maximum Crispness

With oven mitts on, carefully slide the hot baking sheet out and spread your potatoes evenly in a single layer. Pop them back in and roast, untouched, for 20 minutes. This undisturbed cooking encourages that first layer of crunch to develop. After 20 minutes, turn the potatoes over with tongs and continue roasting for about 30 minutes more, shaking the pan occasionally to ensure each side crisps up to that perfect deep golden brown.

Step 5: Whip Up the Spicy Walnut-Cilantro Chili Sauce

While the potatoes roast, toss together finely chopped serrano peppers, minced garlic, vibrant cilantro, fresh lemon juice, white wine vinegar, and chopped walnuts in a bowl. Salt it just right, then stir in extra virgin olive oil until silky and cohesive. Taste and adjust seasoning—this sauce is your flavor powerhouse, a bold, nutty complement to the tender-crisp potatoes.

Step 6: Finish and Serve

Once the potatoes emerge from the oven, transfer them to a beautiful serving platter. You can either dust them lightly with fragrant dukkah for an earthy accent or generously drizzle the lively Spicy Walnut-Cilantro Chili Sauce over the top. Each bite marries crunchy exterior with the vibrant, spicy sauce, creating a flavor combination that’s simply unforgettable.

How to Serve Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe

Garnishes

Consider fresh herb sprigs like cilantro or parsley on top to echo the sauce’s freshness visually and in flavor. A light sprinkle of flaky sea salt right before serving enhances the crispy texture and adds bursts of salty goodness with every bite. Dukkah, a nutty spice blend, can be dusted on for extra crunch and a subtle Middle Eastern flair.

Side Dishes

These Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe pair wonderfully with grilled or roasted proteins like chicken, steak, or tofu, as their richness cuts through perfectly. A crisp green salad with a citrus vinaigrette or a creamy cucumber yogurt dip can balance the spice and offer a refreshing counterpoint. For a veggie upgrade, try sautéed greens or roasted asparagus alongside.

Creative Ways to Present

Beyond a simple platter, try serving these potatoes in small bowls as an appetizer or part of a tapas spread. Drizzle additional sauce just before serving for a glossy finish. For gatherings, stick toothpicks into the potatoes for easy sharing or present them atop a bed of creamy hummus for a texture and flavor adventure. The spicy walnut-cilantro chili sauce makes a beautiful dipping sauce or even a sandwich spread.

Make Ahead and Storage

Storing Leftovers

If you have leftovers, store the roasted potatoes and the chili sauce separately in airtight containers in the refrigerator. This way, the potatoes keep their texture longer, and the sauce preserves its fresh vibrancy without turning soggy or dull.

Freezing

While the sauce can be frozen in small portions without losing much flavor, the potatoes fare better fresh or refrigerated, as freezing tends to affect their crisp texture negatively. If freezing is necessary, flash freeze the roasted potatoes flat on a tray before transferring them to a bag to minimize clumping, then reheat carefully.

Reheating

For best results, reheat the leftovers in a preheated oven or a hot skillet to revive their crispiness rather than using a microwave, which can make them limp. Warm the spicy walnut-cilantro chili sauce gently on the side or serve it cold as a zesty contrast.

FAQs

Can I use other types of potatoes for this recipe?

Red-skinned potatoes are preferred for their waxy texture that holds shape well, but you can experiment with Yukon gold or fingerlings. Just be mindful that starchy varieties like russet may become fluffier and less crisp.

How spicy is the walnut-cilantro chili sauce?

The heat level depends on how many serrano peppers and whether you keep the seeds. Removing seeds lowers the spice, so you can adjust according to your taste to create a mild to moderately spicy sauce.

Is there a substitute for walnuts in the sauce?

Yes! If you have nut allergies or don’t have walnuts on hand, toasted sunflower seeds or pepitas (pumpkin seeds) can give a similar crunchy texture and earthy flavor, though the taste will vary slightly.

Can this recipe be made vegan and gluten-free?

Absolutely! The recipe is naturally vegan and gluten-free as written, relying on plant-based ingredients and no gluten-containing additives. Just ensure your dukkah is gluten-free if you decide to use it.

What’s the best way to get the potatoes extra crispy?

Boiling with baking soda, drying them well before roasting, using hot olive oil, and spreading them in a single layer on a preheated pan are the keys to crispiness. Avoid overcrowding the pan to let heat circulate evenly around each piece.

Final Thoughts

I can’t recommend this Crispy Roasted Red Potatoes with Spicy Walnut-Cilantro Chili Sauce Recipe enough—it’s one of those dishes that feels special but is so easy to make anytime. The crispy golden potatoes combined with the vibrant, nutty-spicy sauce are pure joy on a plate, inviting you to savor every bite. Whether for a family dinner, a dinner party, or simply a comforting snack, this recipe is a guaranteed crowd-pleaser you’ll want to keep coming back to.

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