Béarnaise-Style Herb Aioli for Crispy Fries
A luxurious, herby aioli with a touch of Dijon and lemon that elevates crispy french fries to gourmet status, featuring deep umami notes from anchovy and fresh tarragon. This French-inspired quick recipe, ready in about 20 minutes, blends garlic, Dijon mustard, fresh tarragon into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 185 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 clove garlic
- 1 tbsp Dijon mustard
- 2 tbsp fresh tarragon
- 1 tsp lemon zest
- 1 tbsp lemon juice
- 1/2 tsp anchovy paste
- 1/2 cup mayonnaise
- 1/4 cup extra-virgin olive oil
The chef’s knife we’d prep this with → Best Chef's Knives for 2026: Top Picks + Buying Guide
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Mince the garlic clove finely and mash with the anchovy paste in a small bowl until a smooth paste forms, then stir in 1 tbsp lemon juice and 1 tsp lemon zest.
- Step 2: Whisk in the Dijon mustard, 2 tbsp finely chopped fresh tarragon, and the mayonnaise until fully combined, then gradually drizzle in the olive oil while whisking constantly until thickened and emulsified.
- Step 3: Cover and refrigerate for at least 30 minutes to allow flavors to meld, then stir in the remaining 1 tbsp lemon juice and 1 tbsp chopped tarragon before serving with hot fries.









