The Secret Ingredient That Makes This Green Sauce Addictive
The Secret Ingredient That Makes This Green Sauce Addictive is a easy American recipe that serves 8. 180 calories per serving. Recipe by Andrew Gruel on YouTube.
Prep: 15 min | Cook: PT0M | Total: 25 min
Cost: $5.90 total, $0.74 per serving
Ingredients
- 1/2 bunch Cilantro (leaves only, roughly chopped)
- 1 bunch Flat Leaf Parsley (Italian flat leaf, stems removed)
- 1 teaspoon Fresh Thyme (chopped)
- 2 tablespoons Chives (finely chopped)
- 1 whole Lime (zest and juice)
- 1 whole Lemon (juice only)
- 1 tablespoon Dijon Mustard (smooth)
- 1 cup Avocado Oil Mayo (store‑bought or homemade)
- 1 teaspoon Black Pepper (freshly cracked)
- 1 teaspoon Rice Wine Vinegar (mild acidity)
- 1 teaspoon Fresh Ginger (grated)
- 1 teaspoon Garlic Powder (for flavor)
Instructions
Prep Herbs
Rinse cilantro, flat‑leaf parsley, thyme and chives. Roughly chop cilantro and parsley, mince thyme, and finely chop chives. Transfer to a large mixing bowl.
Time: PT5M
Zest and Juice Citrus
Using a microplane, zest the lime (just the green outer layer) and then juice the lime and lemon. Add zest and juice to the bowl with the herbs.
Time: PT3M
Measure Remaining Flavorings
Add 1 tsp chopped fresh thyme (if not already added), 1 tsp grated ginger, 1 tsp garlic powder, 1 tsp freshly cracked black pepper, 1 tsp rice wine vinegar, and 1 tbsp Dijon mustard to the bowl.
Time: PT2M
Add Mayo Base
Pour 1 cup avocado‑oil mayo into the bowl. Stir briefly to combine the dry ingredients with the mayo.
Time: PT2M
Blend to Emulsify
Secure the lid on the blender. Pulse on low, then blend on medium for about 30 seconds until the sauce is smooth, glossy, and coats the back of a spoon.
Time: PT3M
Taste and Adjust
Taste the sauce. Add more salt, pepper, or citrus juice if needed. Blend a few more seconds after any adjustment.
Time: PT2M
Store
Transfer the sauce to an airtight container. Refrigerate for up to 7 days. Stir before each use as slight separation may occur.
Time: PT1M
Nutrition Facts
- Calories
- 180
- Protein
- 1 g
- Carbohydrates
- 2 g
- Fat
- 18 g
- Fiber
- 0.5 g
Dietary info: Vegetarian, Gluten-Free (if mustard is certified), Contains Eggs
Allergens: Eggs, Mustard, Soy (if mayo contains soy)
Ingredient Substitutions
- Instead of Cilantro: Coriander leaves, flat leaf parsley
- Instead of Flat Leaf Parsley: Curly parsley
- Instead of Fresh Thyme: Dried thyme (½ tsp)
- Instead of Chives: Green onions (scallions)
- Instead of Lime: Bottled lime zest + juice
- Instead of Lemon: Bottled lemon juice
- Instead of Dijon Mustard: Spicy brown mustard
- Instead of Avocado Oil Mayo: Regular mayo, Vegan mayo
- Instead of Black Pepper: White pepper
- Instead of Rice Wine Vinegar: Apple cider vinegar (½ tsp)
- Instead of Fresh Ginger: Ground ginger (¼ tsp)
- Instead of Garlic Powder: Fresh minced garlic (½ tsp)
Equipment Needed
- Blender
- Chef's Knife
- Cutting Board
- Microplane Zester (optional)
- Measuring Spoons
- Measuring Cup
- Mixing Bowl
- Spatula
Critical Steps — Do Not Skip
- Zesting the lime and lemon without including the white pith.
- Blending long enough to fully emulsify the mayo with the herbs and citrus.
- Adjusting ginger amount to avoid an overpowering ginger flavor.
Chef Tips from the Video
- Use fully ripe limes and lemons for maximum juice and aromatic zest.
- Pat herbs dry after washing to keep the sauce from becoming watery.
- Taste the sauce after blending and finish with a final grind of fresh black pepper for brightness.
Troubleshooting
Sauce separates after sitting.
Re‑blend or whisk in a tablespoon of extra mayo until smooth.
Sauce is too thick.
Thin with a tablespoon of water, extra lemon juice, or a splash of olive oil while blending.
Flavor is too sharp or acidic.
Add a little more mayo or a pinch of sugar to mellow the acidity.
Storage
Refrigerator: Up to 7 days in an airtight container.
Freezer: Not recommended; sauce may separate.
Room temperature: Do not store at room temperature for more than 2 hours.
Make-Ahead Tips
- Make the sauce up to a week ahead; keep refrigerated and stir before serving.
- If the sauce separates after chilling, give it a quick blend or whisk to recombine.
Frequently Asked Questions
What is the cultural significance and history of herb‑based sauces like this citrus herb mayo in American cuisine?
Herb‑based sauces have roots in many immigrant traditions that blended fresh greens with creamy bases. In the United States, especially in the South and West, bright herb mayo‑type sauces are popular as salad dressings, sandwich spreads, and seafood accompaniments, reflecting a love for fresh, garden‑grown flavors.
What are the traditional regional variations of herb‑citrus sauces in Argentine cuisine, and how does this recipe compare?
Argentina’s classic chimichurri uses parsley, oregano, garlic, vinegar, and oil, but rarely includes mayo or citrus zest. This sauce borrows the herb intensity of chimichurri while adding avocado‑oil mayo and lime‑lemon zest for a creamier, tangier American twist.
How is this citrus herb mayo traditionally served in Southern U.S. gatherings?
In Southern gatherings it’s often served as a dip for fried fish, shrimp, or chicken, and as a drizzle over grilled vegetables or coleslaw. Its bright citrus notes cut through rich fried foods, making it a favorite at picnics and barbecues.
What occasions or celebrations is a bright herb mayo sauce like this typically associated with in American summer cooking?
It’s a go‑to for summer barbecues, Fourth of July picnics, backyard pool parties, and casual brunches. The fresh herbs and citrus make it feel light and festive, perfect for warm‑weather meals.
What authentic ingredients are essential for this sauce, and what are acceptable substitutes?
Key ingredients are fresh cilantro, flat‑leaf parsley, lime zest, lemon juice, and avocado‑oil mayo. Substitutes include regular mayo instead of avocado‑oil mayo, bottled lime zest if fresh isn’t available, and flat‑leaf parsley can be swapped with curly parsley.
What other American dishes pair well with this citrus herb mayo sauce?
It pairs beautifully with grilled salmon, shrimp tacos, roasted chicken, corn on the cob, and as a creamy dressing for a summer potato salad or mixed greens.
What makes this citrus herb mayo sauce special compared to standard mayonnaise‑based dressings?
The combination of fresh herb aromatics, citrus zest oils, a touch of ginger, and rice wine vinegar creates layered brightness and depth that standard mayo lacks, giving it a garden‑fresh, slightly tangy profile that stays vibrant for days.
What are the most common mistakes to avoid when making this citrus herb mayo sauce?
Common errors include over‑zesting the lime (which adds bitterness), blending too long and overheating the mayo, and adding too much ginger which can dominate the flavor. Keep zest light, blend just until smooth, and measure ginger carefully.
Why does this recipe use avocado‑oil mayo instead of regular mayo?
Avocado‑oil mayo provides a neutral, buttery mouthfeel without the strong soybean flavor of some regular mayos, and it adds a subtle healthy‑fat boost that lets the herbs and citrus shine.
What does the YouTube channel Andrew Gruel specialize in?
The YouTube channel Andrew Gruel focuses on approachable, flavor‑first cooking tutorials, often highlighting seafood, sauces, and quick‑prep techniques for home cooks while emphasizing kitchen safety and fun experimentation.
How does the YouTube channel Andrew Gruel's approach to American sauce making differ from other cooking channels?
Andrew Gruel emphasizes using fresh, garden‑sourced herbs and simple emulsification techniques with everyday tools like a blender, whereas many channels rely on more complex equipment or pre‑made mixes. His style is hands‑on, energetic, and geared toward making bold flavors accessible to beginners.
Last updated: October 16, 2026
