Name: Romesco (Spanish Red Pepper Sauce) Recipe
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: Spanish
Ingredients: 2 red bell peppers; 3 dried chiles (such as ancho or New Mexican); 1 garlic clove, smashed into a paste; 1/2 cup hot water; 2 tbsp tomato paste; 1/4 cup canned tomato puree (San Marzano); 1 tsp sherry vinegar; 1 1/4 tsp kosher salt, plus more to taste; 1 cup plus 3 tbsp extra-virgin olive oil, divided; 1 1-inch thick slice of crusty country bread, crust removed and torn into pieces; 1/2 cup slivered almonds; 1/2 tsp sweet paprika; 1/2 tsp cayenne

Print Recipe· 4.3 from 15 reviews

If you have a craving for a sauce that bursts with vibrant color and bold flavors, look no further than this Romesco (Spanish Red Pepper Sauce) Recipe. Hailing from Catalonia in Spain, Romesco is an irresistible blend of smoky roasted red peppers, toasted almonds, and just the right touch of spice and acidity. This magical sauce never fails to brighten up any dish it accompanies, whether drizzled over grilled vegetables, spread on crusty bread, or served alongside seafood and meats. Once you try this Romesco (Spanish Red Pepper Sauce) Recipe, it will quickly become a staple in your kitchen repertoire for its depth of flavor and versatility.

Ingredients You’ll Need

The image shows seven clear glass bowls with different ingredients arranged on a white marbled surface. The largest bowl at the top left contains bright red roasted peppers with dark char marks. Next to it on the right are smaller bowls with white salt, deep red liquid, and dark red powder. Below and centered is a measuring cup with a golden yellow oil. To the left of the oil is a small bowl of white flaky salt, and to the right is a larger bowl filled with chopped nuts in light and dark brown shades. At the bottom center, a small bowl holds pale yellow garlic slices. The setup presents an organized and colorful mix of ingredients. photo taken with an iphone --ar 4:5 --v 7

Gathering the right ingredients is key to achieving the authentic taste and texture of Romesco. Each element plays a crucial role—from the sweetness of roasted red peppers to the crunch of toasted almonds and the tangy punch of sherry vinegar. Don’t worry, you won’t need anything complicated to create this sauce, just simple, fresh ingredients that come together beautifully.

Red bell peppers: Roasting these gives the sauce its signature smoky sweetness and vibrant red color.
Dried chiles (ancho or New Mexican): Adds warmth and gentle heat, elevating the flavor without overpowering.
Hot water: Used to soften the chiles, helping to build a smooth puree.
Extra-virgin olive oil: Provides richness and a silky texture, balancing the acidity and spice.
Country bread (crust removed): Toasted to add body and a pleasant, crunchy backdrop.
Slivered almonds: Toasted for nuttiness and texture that rounds out the sauce beautifully.
Tomato paste: Contributes a concentrated depth of tomato flavor and color.
Canned tomato puree (San Marzano): Keeps the sauce luscious and smooth without overpowering the red pepper base.
Garlic: A single clove smashed into paste adds a punch of warmth that ties the flavors together.
Sweet paprika: Boosts the smoky character with subtle sweetness.
Cayenne: Introduces a mild kick, balancing the sauce perfectly.
Sherry vinegar: Adds the essential tangy brightness necessary for authentic Romesco.
Kosher salt: Enhances all the complex flavors and brings harmony to the sauce.

How to Make Romesco (Spanish Red Pepper Sauce) Recipe

Step 1: Roast the Red Peppers

Set your oven rack about 4 to 6 inches below the broiler and preheat to high. Place your red bell peppers on a foil-lined baking sheet and broil, turning often, until their skin is blackened and blistered all over, which takes about 10 minutes. This roasting step is crucial because it imparts that beloved smoky flavor and softens the peppers for blending. After roasting, seal the peppers in the foil by pulling the edges up, allowing them to steam for 10 minutes. This steaming helps loosen the skin, making it much easier to peel off before removing seeds and tearing the flesh into chunks.

Step 2: Prepare the Dried Chiles

While your peppers are roasting, heat a dry skillet over medium heat. Toss in your dried chiles and toast them gently, turning regularly for about 2 minutes until they become fragrant but not burned. Once cool enough to handle, remove stems and seeds, then tear the chiles into pieces. Blend these pieces with hot water in a food processor until mostly smooth, then strain through a mesh sieve to ensure a silky texture without tough bits of skin. This chile puree builds the spicy and smoky backbone of your Romesco sauce.

Step 3: Toast the Bread and Almonds

In the same skillet, add 2 tablespoons of olive oil over medium-low heat. Fry the torn bread pieces, turning them often to achieve a deep golden crust all around—this takes about 10 minutes total. When the bread is almost done, add the slivered almonds and continue to cook for another 3 to 4 minutes, stirring frequently until they’re toasted and release a wonderful nutty aroma. This duo forms the sauce’s hearty body and adds a delightful crunch and toasty flavor.

Step 4: Build the Sauce Base

Heat 1 tablespoon of olive oil in the skillet and add the tomato paste, letting it cook gently over medium-low heat. Stir regularly as the paste sizzles and deepens in color—this slow cooking intensifies its rich flavor without bitterness. Scrape the paste into a food processor, then add tomato puree, garlic paste, sweet paprika, cayenne, sherry vinegar, and kosher salt. Pulse these together until the mixture is coarsely ground, combining the sweet, spicy, and tangy layers that form the sauce’s foundation.

Step 5: Blend and Finish

Add the roasted red peppers and chile puree to the food processor bowl. Blend until the mixture is mostly smooth, about one minute. While blending, slowly pour in 1 cup of olive oil until the sauce is completely emulsified with a smooth, luscious consistency. Don’t worry if the sauce seems to separate slightly; this is totally normal and adds to its rustic charm. Transfer the sauce to a bowl and taste—adjust with more salt or sherry vinegar if needed to suit your palate perfectly.

How to Serve Romesco (Spanish Red Pepper Sauce) Recipe

The dish is served on a white plate with a lightly browned edge, placed on a white marbled surface. It has three main sections: the bottom half shows a large piece of cooked chicken covered in a thick, chunky red tomato sauce with small bits of vegetables and sprinkled with green parsley. On the top left side, there is a pile of brown rice mixed with sliced cooked mushrooms and finely chopped herbs. On the top right, bright green cooked green beans with a slight shine from oil are arranged neatly side by side. The colors contrast well with the white plate, with the red sauce, brown rice, and green beans all clearly visible. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

A sprinkle of fresh herbs like parsley or chives adds a bright, fresh contrast to the rich Romesco sauce. A few toasted almond slivers or a drizzle of high-quality extra-virgin olive oil on top can elevate the presentation and offer delightful texture. These simple additions turn your sauce from delicious to unforgettable.

Side Dishes

Romesco shines when paired with grilled vegetables like zucchini, eggplant, and asparagus. It’s also a perfect companion to roasted potatoes or tender grilled meats and seafood, especially fish and shrimp. Its smoky, nutty notes complement so many dishes, making it a fabulous all-around condiment or dip.

Creative Ways to Present

Try using this Romesco (Spanish Red Pepper Sauce) Recipe as a spread on toasted baguette slices for a flavorful appetizer. You can also swirl it into creamy mashed potatoes for a pop of color and complexity or toss it with pasta for a quick, satisfying meal that captures the essence of Spanish cooking. The versatility makes it fun to experiment with your favorite foods.

Make Ahead and Storage

Storing Leftovers

After preparing the Romesco sauce, store any leftovers in an airtight container in the refrigerator. It will keep beautifully for up to five days, allowing the flavors to meld even more over time. Always give it a good stir before serving to recombine any separation.

Freezing

You can freeze Romesco sauce for up to three months by transferring it to a freezer-safe container or ice cube trays for individual portions. When you’re ready to use it, thaw in the refrigerator overnight and stir well before serving to restore its silky texture.

Reheating

Romesco is often enjoyed at room temperature or slightly warmed. If you want to warm it up, do so gently over low heat while stirring frequently to prevent breaking. Avoid overheating, as this can change the texture and mute some of the fresh, vibrant flavors.

FAQs

What makes Romesco sauce different from other red pepper sauces?

Romesco sauce uniquely combines roasted red peppers with nuts (usually almonds), garlic, and sherry vinegar, creating a complex balance of smoky, nutty, and tangy flavors. Its texture is thicker and chunkier compared to smoother red pepper sauces, lending it a rustic charm that’s both flavorful and hearty.

Can I make Romesco sauce without dried chiles?

While dried chiles add depth and complexity, you can create a milder Romesco by omitting them or substituting with a pinch of smoked paprika. The sauce will still be delicious but with less heat and smokiness.

Is Romesco sauce vegan and gluten-free?

Yes! Romesco sauce is naturally vegan and gluten-free, especially if you use gluten-free bread for toasting. It’s a fantastic option if you’re catering to dietary restrictions but still want a sauce packed with flavor.

How long does Romesco sauce keep in the fridge?

Stored properly in an airtight container, Romesco sauce will last for about five days refrigerated. Its flavors may even improve slightly as it sits, but be sure to check for any spoilage signs before using.

What dishes pair best with Romesco?

Romesco pairs wonderfully with grilled or roasted vegetables, seafood such as shrimp or fish, roasted chicken, or grilled steak. It’s also fantastic as a dip for fresh bread or as a spread in sandwiches, making it incredibly versatile.

Final Thoughts

There’s something truly joyful about making and sharing a homemade Romesco (Spanish Red Pepper Sauce) Recipe. Its smoky richness, vibrant color, and bold flavor profile make it a sauce that’s both comforting and exciting. I encourage you to try this recipe soon – once you do, you’ll find yourself reaching for Romesco again and again, turning everyday meals into delicious celebrations of Spanish culinary tradition.