Sardi’s Peruvian Aji Verde (Copycat Sauce Recipe)
This chilled copycat ají verde blends mayonnaise, cilantro, seeded jalapeño, garlic, lime juice, and ají amarillo paste into a creamy, bright sauce inspired by Sardi’s. It is a practical approximation, not a verified restaurant formula. Blend it cold, adjust the seasoning to taste, and refrigerate it promptly for safe storage.
If you are looking for the creamy green sauce served with Peruvian-style chicken, the goal is a fresh, tangy dip with gentle chile heat. This version uses familiar ingredients and a blender, with no stove time or special equipment. Since Sardi’s exact formula has not been independently verified, think of this as a dependable copycat starting point rather than a claim to reproduce the restaurant’s recipe exactly.
I build the flavor in layers: cilantro and lime bring freshness, garlic adds savory depth, and two kinds of chile contribute different notes. The mayonnaise gives the sauce its creamy body. Blend, taste, and make small adjustments; that is more reliable than adding a large amount of extra lime or chile at once.
Ingredients, Equipment & Cold-Prep Setup
This section covers the ingredients and simple tools for a cold, creamy ají verde. Use pasteurized-egg mayonnaise, fresh cilantro, and a clean blender or food processor. Rinsing and drying the produce first helps keep unwanted grit out of the sauce and supports a smooth blend.
Ingredients
- 1 cup pasteurized-egg mayonnaise
- 1 packed cup cilantro leaves and tender stems, rinsed and dried
- 1 jalapeño, seeded
- 1 small garlic clove
- 1 tablespoon lime juice
- 1 teaspoon ají amarillo paste
- Salt, to taste
- Cold water, optional, for thinning
The jalapeño and ají amarillo paste do different jobs. The jalapeño gives the sauce fresh chile flavor; removing its seeds makes the result milder. Ají amarillo paste adds a distinct chile flavor and color. If you cannot find it, you can still blend the other ingredients, but the result will not have the same ingredient profile.
Equipment and preparation
A clean blender or food processor is enough. A small spatula helps scrape the sides, and a clean spoon lets you taste without returning food-contaminated utensils to the sauce. Use a glass or stainless-steel bowl if you need to transfer or store it; both are nonreactive.
Wash your hands, then rinse the cilantro and jalapeño under running water. Dry the herbs thoroughly so excess water does not make the dip unexpectedly thin. Remove the jalapeño stem and seeds. For less heat, take care to remove the inner ribs as well, where much of the pepper’s heat is concentrated.
Before blending, check that the blender jar is clean and dry. Keep the mayonnaise refrigerated until you are ready to mix. This is a cold sauce, so there is no cooking vessel, simmering step, or heating temperature to manage.
| Ingredient or choice | What it contributes | Practical adjustment |
|---|---|---|
| Mayonnaise | Creamy body | Keep the amount as written for a thick dip |
| Cilantro | Fresh, green flavor | Pack the cup with leaves and tender stems |
| Seeded jalapeño | Mild fresh chile character | Add more only in small amounts, if desired |
| Ají amarillo paste | Chile flavor specific to this style | Measure 1 teaspoon, then taste |
| Lime juice | Bright acidity | Add a little more if the sauce tastes flat |
| Cold water | A looser, pourable texture | Blend in 1 teaspoon at a time |
Key takeaway: Measure the core ingredients first, and keep optional adjustments small. That makes the flavor easier to control.
Blending, Texture Control & Seasoning
Blending combines the mayonnaise and fresh ingredients into a uniform green sauce. Pulse the mixture rather than running the machine without pause, then scrape down the sides as needed. Taste only after the herbs and chiles are fully mixed, since a well-blended spoonful gives a more useful read on the final balance.
- Add the mayonnaise, cilantro, seeded jalapeño, garlic, lime juice, and ají amarillo paste to the clean blender jar.
- Pulse until the cilantro is finely chopped and the sauce looks evenly green.
- Stop and scrape down the sides if larger pieces of herb or chile cling to the jar.
- Blend again briefly, then transfer a small amount to a clean spoon for tasting.
- Adjust salt, lime, or chile a little at a time.
How to adjust the flavor
If the sauce tastes dull, add a small squeeze of lime or a pinch of salt, blend briefly, and taste again. If it needs more chile flavor, add a little more ají amarillo paste or finely chopped jalapeño. Make one change at a time so you can tell what helped. A large addition of lime can make the sauce too sharp, while extra chile can quickly overpower the cilantro.
If you want more heat but still want the sauce to stay smooth, blend in a small amount of jalapeño rather than leaving pepper pieces in the finished dip. For a milder result, keep the pepper seeded and do not increase the ají amarillo paste until you have tasted the first blend.
Controlling thickness
This copycat is intended to be creamy and thick enough to cling to chicken or fries. For a thinner, drizzle-friendly texture, blend in cold water 1 teaspoon at a time. Pause and check after each addition; it is easy to thin the sauce further, but difficult to restore thickness without adding more mayonnaise.
If the sauce seems too loose, first chill it and check the texture again. Do not add large amounts of extra cilantro or lime as a quick fix: those changes affect flavor as well as thickness. Keep the mixture cold throughout blending and tasting.
Key takeaway: Blend to an even green, then season in small steps. Use cold water, measured one teaspoon at a time, when you want a thinner sauce.
Refrigeration, Storage & Cleanup
This mayonnaise-and-herb sauce should stay cold, both before serving and while stored. Transfer it to a covered container and refrigerate it promptly at or below 40°F (4°C). Keep it out of prolonged room-temperature service, and follow the mayonnaise label’s own storage directions as well.
Once blended, place the sauce in a covered, nonreactive container and refrigerate it. For best handling, use it within 3–4 days. Use a clean spoon each time you serve it, and do not put leftovers back into the storage container with a utensil that has touched chicken, fries, vegetables, or someone’s plate.
| Situation | What to do |
|---|---|
| Sauce is not being served | Keep covered in the refrigerator at or below 40°F (4°C) |
| Sauce has been unrefrigerated for less than 2 hours | Return it to refrigeration promptly if it has remained within the safe time limit |
| Sauce has been out for 2 hours or longer | Discard it |
| Room temperature is above 90°F (32°C) | Discard after 1 hour unrefrigerated |
| Serving utensil has touched other food | Replace it with a clean utensil; do not use it to return sauce to storage |
Those time limits matter during a meal, not just when you first make the sauce. Fresh herbs and mayonnaise-based ingredients should not be left warm for extended service. If dinner will last a while, set out a small portion and keep the rest chilled, then refill with a clean spoon as needed.
For cleanup, scrape the blender jar into the storage container, then wash the jar, lid, and utensils with dish soap and water. Rinse the container before refilling if it has been used for other foods. Good cleanup keeps the next batch from picking up old flavors or food residue.
Key takeaway: Refrigerate promptly, keep the sauce at or below 40°F (4°C), and discard it after the stated room-temperature limit.
Serving with Peruvian-Style Chicken
Serve this ají verde chilled as a dip, spoonable sauce, or drizzle. Its creamy texture and lime-cilantro flavor pair naturally with roasted chicken, fries, and vegetables. For a tidy meal, put a small amount in a serving bowl and keep the main container refrigerated until you need more.
With chicken, serve the sauce on the side so each person can choose how much to use. It also works as a dip for fries or cut vegetables. If you want to drizzle it over food, thin it with cold water a teaspoon at a time before serving. Add the water to the portion you plan to use, rather than thinning the full batch if you prefer some sauce to remain thick.
The sauce tastes freshest when served cold. Do not heat or simmer it: warmth can break the mayonnaise emulsion, which is the mixture that gives the sauce its creamy texture. Heating can also dull the fresh-herb character. If the rest of the meal is hot, add the chilled sauce at the table or just before eating.
For a simple serving plan, place the chilled sauce in a small bowl with a clean spoon, then bring out roasted chicken, fries, or vegetables. Keep any extra sauce covered and refrigerated. Avoid topping up a serving bowl with sauce that has already been on the table; refill it from the cold container with a clean utensil.
Key takeaway: Serve it cold, in a small portion, and keep the reserve batch refrigerated.
Frequently Asked Questions
These answers cover common questions about making, adjusting, and storing this chilled copycat sauce. The recipe is inspired by the restaurant style, but its exact formula is not confirmed. For the best result, follow the measured starting amounts, taste carefully, and keep the finished sauce cold.
Is this the exact Sardi’s aji verde recipe?
No. It is a copycat inspired by the style, not an independently verified restaurant formula.
Is aji verde supposed to be spicy?
This version has chile flavor from jalapeño and ají amarillo paste. Seeding the jalapeño makes it milder; adjust the chile in small steps after blending.
Can I make it without ají amarillo paste?
Yes, but the flavor will differ. The paste is part of this recipe’s ingredient profile, so omitting it makes the sauce less like the intended copycat.
Can I make the sauce without a blender?
A food processor works. The goal is to chop the cilantro, garlic, and pepper finely and mix them evenly into the mayonnaise.
Why does my sauce look uneven?
Herbs or chile may be stuck to the blender sides. Stop the machine, scrape the sides with a clean spatula, and pulse again until the color is uniform.
How can I make the sauce thinner?
Blend in cold water, 1 teaspoon at a time, and check the texture after each addition.
Can I heat the sauce?
No. Serve it chilled. Heating can break the mayonnaise emulsion and reduce the fresh-herb character.
How long does homemade aji verde keep?
Keep it covered in the refrigerator at or below 40°F (4°C), and use it within 3–4 days. Follow the mayonnaise label’s storage directions too.
How long can it sit out?
Discard it after 2 hours unrefrigerated, or after 1 hour if the surrounding temperature is above 90°F (32°C).
Can I return leftover serving-bowl sauce to the storage container?
Do not return it with a utensil that has touched other food. Use a clean utensil for serving from the container, and keep the reserve sauce chilled.
(This article was written by one of our staff writers, Steven R. Bancroft. Visit our Meet the Team page.)
