Basil Parmesan Mayonnaise: Homemade Flavor Beyond the Jar

This creamy emulsion delivers a herb-infused twist to sandwiches and sides.

By Medha deb
Created on

Basil Parmesan Mayonnaise: Elevate Everyday Flavor

Basil parmesan mayonnaise is a transformative homemade condiment blending fresh basil, nutty Parmesan cheese, and creamy mayonnaise. Unlike store-bought options, this homemade twist packs richness, brightness, and savory complexity, making it irresistible alongside meats, vegetables, and sandwiches.

Why Make Basil Parmesan Mayonnaise From Scratch?

  • Amped-up flavor: Vibrant basil and real Parmigiano-Reggiano deliver boldness not found in commercial mayo.
  • Fresh and preservative-free: Control every ingredient, skip unnecessary additives, and enjoy peak freshness.
  • Customizable: Easily tweak herbs, cheeses, or oils to suit your taste or the ingredients on hand.
  • Versatility: A universal sauce for meat, fish, veggies, fries, and sandwiches.

Essential Ingredients and Preparation

Traditional mayonnaise is an emulsion of yolks, mustard, and oil. For basil parmesan mayo, you add pungent basil and shredded Parmesan cheese for added complexity. Key to success is balancing technique and ingredient quality.

Core Ingredients

IngredientPurposeNotes
Egg yolks (or whole eggs)Binds & emulsifiesOrganic/free-range preferred
Basil (fresh, chopped)Herbal brightnessSweet or Genovese basil recommended
Parmesan cheese (finely grated)Savory, nutty flavorUse Parmigiano-Reggiano for best results
Dijon mustardFlavor & helps emulsifyAdds a gentle heat
White wine vinegar or lemon juiceAcidity & balancePrevents flat taste
Vegetable oil + olive oilTexture & richnessBlend neutral and extra virgin olive oils
Salt & pepperSeasoningGenerously adjust to taste
Garlic (optional)PungencyMakes it closer to aioli

Ingredient proportions may vary: classic recipes use around 2 egg yolks or a whole egg, 1–2 tablespoons of Dijon mustard, 2 tablespoons white wine vinegar (or lemon juice), 1/2 to 1 cup chopped basil, 2 ounces (55 grams) grated parmesan, 1/2 cup olive oil, and salt and pepper to taste.

Step-by-Step: Making Basil Parmesan Mayonnaise

  1. Prep ingredients: Grate parmesan and chop basil finely. If using garlic, mince it well.
  2. Combine in jar or blender cup: Add all ingredients, including oils, directly to a tall, narrow jar. The jar’s diameter should be just wider than the immersion blender head for best emulsion.
  3. Blend: Place blender head at the bottom of the jar. Blend for a few seconds, moving slowly upward as emulsifying starts, until thick and creamy.
  4. Adjust texture: If the mayonnaise is too thick, add a few drops of water—just a couple at a time—to loosen. Avoid over-thinning.
  5. Taste and season: The sauce should be highly seasoned; add more salt, pepper, or acid if needed.
  6. Store: Refrigerate in a sealed container for up to a week.

Safety and Egg Usage

  • Always opt for organic or free-range eggs if possible for quality and safety.
  • Some recipes use only yolks; others permit a whole egg for a lighter result.
  • If food waste concerns you, use the whole egg; increase oil slightly for desired texture.

Techniques for Foolproof Homemade Mayonnaise

Homemade mayonnaise is infamous for being tricky—fear of failed emulsions or runny consistency puts off many cooks. But a few technique hacks can ensure success every time.

Emulsifying: Key Tips

  • Use all ingredients at room temperature for easier emulsification, though some experts suggest it’s not critical.
  • Immersion blenders are almost foolproof compared to hand-whisking or food processors.
  • Start blending at the bottom, then slowly pull up as the emulsion forms.
  • Use a narrow vessel—a wide bowl disperses force and can hinder emulsion.
  • Pour oil slowly if whisking by hand or using a traditional blender.

Common Pitfalls & Solutions

  • Broken mayo (separated, liquidy): Add a fresh yolk and blend again to re-emulsify.
  • Too thick: Add water or lemon juice, a drop at a time, blending well after each addition.
  • Not flavorful enough: Increase salt, acid (vinegar/lemon), or parmesan for intensity.

Flavor Variants: Customizing Your Mayonnaise

Basil parmesan mayonnaise is endlessly adaptable. Once mastered, substitute or add ingredients to fit your dish, season, or mood.

Easy Variations

  • Herbs: Try parsley, tarragon, mint, or cilantro for new flavor profiles.
  • Cheese: Swap parmesan for pecorino, romano, or even sharp cheddar.
  • Heat: Add a pinch of chili flakes or fresh jalapeño for spicy mayo.
  • Citrus: Replace vinegar with lime or orange juice for a zesty lift.
  • Garlic: Add raw or roasted garlic for deeper pungency (making it more like aioli).

Serving Suggestions: Endless Versatility

What to do with basil parmesan mayonnaise once perfected? Its creamy, herbaceous richness enhances nearly anything.

  • Meats: Serve with cold or warm roast beef, steak, grilled or poached chicken.
  • Fish and seafood: Superb with salmon, shrimp, crab cakes, or grilled fish.
  • Vegetables: Dollop onto roasted or steamed asparagus, green beans, artichokes, or potatoes.
  • Sandwiches and burgers: Spread thickly for gourmet flavor.
  • Dip for fries: Elevates classic fries or sweet potato wedges.

Frequently Asked Questions (FAQs)

Q: Can I use store-bought mayonnaise as a shortcut?

A: Yes. For a quick version, blend fresh basil and grated parmesan into quality store-bought mayo. Homemade is richer and more complex but this shortcut saves time.

Q: How long does basil parmesan mayonnaise last?

A: When made fresh, store airtight in the refrigerator. Use within one week for optimal flavor and safety.

Q: What if my mayonnaise won’t thicken?

A: Try adding another egg yolk or a small spoonful of mustard and blend again. Ensure you’re using a narrow container and a slow blending method.

Q: Do I need to use Parmesan or can I substitute other cheeses?

A: Parmesan gives classic flavor, but hard, aged cheeses like pecorino or romano work well. Softer cheeses yield a different texture and milder taste.

Q: Is raw egg mayonnaise safe?

A: Risk is low with fresh, organic eggs, but if concerned, use pasteurized eggs or opt for store-bought mayo as a base.

Basil Parmesan Mayonnaise Recipe Card

IngredientQuantity
Egg yolks (or whole egg)2 yolks, or 1 whole egg
Dijon mustard1 tbsp
White wine vinegar (or lemon juice)2 tbsp
Chopped basil1/2 cup
Olive oil1/2 cup
Grated Parmesan cheese2 oz (55 g)
Salt & pepperTo taste

Quick Instructions

  • Add all ingredients to a narrow jar just wider than the blender head.
  • Blend with immersion blender until thick and creamy.
  • Add water dropwise if too thick.
  • Adjust seasoning and serve or refrigerate.

Pro Tips for Perfect Basil Parmesan Mayo

  • Grate parmesan finely for smoothness.
  • Balance herbs: Adjust basil quantity for intensity.
  • Layer flavors: Use both lemon juice and vinegar for depth.
  • Start with a small oil amount, increasing as needed for desired thickness.

Conclusion: Homemade Mayonnaise, Infinite Possibility

Once you master basil parmesan mayonnaise, you’ll be reluctant to return to basic store-bought sauces. With minimal effort and ingredients, creativity meets classic technique, yielding a condiment that instantly upgrades everything it touches—from sandwiches to entrees, sides to snacks. Try it as written, then experiment with flavors, textures, and uses—the world of mayonnaise is waiting.

Medha Deb is an editor with a master's degree in Applied Linguistics from the University of Hyderabad. She believes that her qualification has helped her develop a deep understanding of language and its application in various contexts.

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