9 Ratios Every Chef Needs to Know

9 Ratios Every Chef Needs to Know is a easy French recipe that serves 4. 150 calories per serving. Recipe by Fallow on YouTube.

Prep: 15 min | Cook: PT0M | Total: 25 min

Cost: $1.79 total, $0.45 per serving

Ingredients

  • 1 large Egg Yolk (weighed, about 18 g; use pasteurized egg yolk for safety)
  • 360 g Neutral Oil (rapeseed, can substitute with light olive oil or grapeseed oil)
  • 1 tsp Lemon Juice (freshly squeezed)
  • 1 tsp White Wine Vinegar (or any mild vinegar)
  • 1 tsp Dijon Mustard (smooth, classic Dijon)
  • 1 clove Garlic (peeled and minced finely)
  • ½ tsp Sea Salt (or to taste)

Instructions

  1. Weigh the Egg Yolk

    Place a clean mixing bowl on the digital scale, tare to zero, and weigh one large egg yolk (about 18 g).

    Time: PT1M

  2. Add Acid and Emulsifier

    To the yolk, add 1 tsp lemon juice, 1 tsp white wine vinegar, and 1 tsp Dijon mustard. Blend briefly to combine.

    Time: PT1M

  3. Incorporate Garlic and Salt

    Add the minced garlic clove and ½ tsp sea salt to the bowl. Pulse the blender a few times to distribute.

    Time: PT30S

  4. Begin Adding Oil Slowly

    Start the immersion blender on low speed and begin trickling the neutral oil into the bowl in a thin, steady stream. The first 30 ml of oil should be added extremely slowly to form the base of the emulsion.

    Time: PT2M

  5. Accelerate Oil Addition

    Once the mixture thickens and looks glossy, you can increase the oil flow to a thin stream, continuing until all 360 g of oil is incorporated.

    Time: PT3M

  6. Check Consistency and Finish

    The aioli should be thick, glossy, and hold its shape when lifted with the spatula. Taste and adjust salt or a few drops of lemon juice if needed.

    Time: PT30S

  7. Transfer and Store

    Spoon the finished aioli into a clean airtight jar. Refrigerate immediately.

    Time: PT30S

Nutrition Facts

Calories
150
Protein
1 g
Carbohydrates
1 g
Fat
16 g
Fiber
0 g

Dietary info: Vegetarian, Gluten‑Free

Allergens: Egg, Oil (if using olive oil, may contain trace nuts)

Last updated: April 19, 2026

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9 Ratios Every Chef Needs to Know

Recipe by Fallow

A silky, glossy garlic aioli made using the classic 1:20 egg yolk‑to‑oil ratio. Perfect as a dip for fries, a spread for sandwiches, or a base for dressings. This recipe follows the principles from the book *Ratio* and includes tips for a stable emulsion and safe handling of raw egg yolk.

EasyFrenchServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
7m
Prep
0m
Cook
10m
Cleanup
17m
Total

Cost Breakdown

$1.79
Total cost
$0.45
Per serving

Critical Success Points

  • Weigh the egg yolk accurately.
  • Start adding oil extremely slowly to form a stable emulsion.
  • Maintain a steady stream of oil once the emulsion has begun.

Safety Warnings

  • Raw egg yolk can contain salmonella; use pasteurized eggs or keep refrigerated and consume within a week.
  • Do not leave the aioli at room temperature for more than 2 hours.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of garlic aioli in French cuisine?

A

Aioli originated on the Mediterranean coast of France and Spain as a simple garlic‑oil emulsion. In Provence, it is traditionally served with boiled vegetables, fish, and as a dip for crusty bread, reflecting the region’s love of bold, garlicky flavors.

cultural
Q

What are the traditional regional variations of aioli in French cuisine?

A

In Provence, classic aioli is just garlic, olive oil, and salt, sometimes thickened with egg yolk. In the south‑west, a small amount of mustard or lemon juice is added for brightness. Some coastal versions incorporate saffron or herbs like thyme.

cultural
Q

How is garlic aioli authentically served in French Provençal meals?

A

It is typically presented in a shallow bowl alongside boiled potatoes, steamed green beans, and grilled fish. Diners spoon the aioli over the vegetables or dip each bite directly, creating a communal, rustic dining experience.

cultural
Q

What occasions or celebrations is garlic aioli traditionally associated with in French culture?

A

Aioli is a staple at summer barbecues, family picnics, and Provençal festivals such as the Fête de la Saint‑Jean, where fresh seafood and grilled meats are paired with the garlicky sauce.

cultural
Q

What makes garlic aioli special or unique in French cuisine?

A

Its simplicity—just garlic, oil, and an emulsifier—highlights the quality of the ingredients. The technique of slowly emulsifying oil into a yolk creates a luxurious, glossy texture that is both a condiment and a showcase of culinary skill.

cultural
Q

What are the most common mistakes to avoid when making garlic aioli?

A

Adding oil too quickly, using a warm yolk, or not whisking continuously will cause the emulsion to break. Also, using low‑quality oil can result in a bitter flavor.

technical
Q

Why does this garlic aioli recipe use a 1:20 egg yolk‑to‑oil ratio instead of the classic 1:10 ratio?

A

A 1:20 ratio yields a lighter, more pourable aioli that is easier for beginners to emulsify while still delivering a rich mouthfeel. The extra acid and mustard help stabilize the larger oil volume.

technical
Q

Can I make garlic aioli ahead of time and how should I store it?

A

Yes, store the finished aioli in an airtight jar in the refrigerator for up to 7 days. Keep it chilled and bring it to room temperature before serving for optimal texture.

technical
Q

What texture and appearance should I look for when making garlic aioli?

A

The aioli should be thick yet pourable, with a glossy sheen and a smooth, velvety mouthfeel. When lifted with a spatula, it should hold its shape without dripping.

technical
Q

How do I know when the garlic aioli is done cooking?

A

Since aioli is not cooked, "done" means the oil has fully emulsified into a stable, glossy sauce. If the mixture looks separated or watery, continue blending and add a few drops of warm water.

technical
Q

What does the YouTube channel Fallow specialize in?

A

The YouTube channel Fallow focuses on foundational cooking techniques, ratio‑based recipes, and practical kitchen science, helping home cooks understand the why behind each step.

channel
Q

How does the YouTube channel Fallow's approach to French sauce making differ from other cooking channels?

A

Fallow emphasizes precise ratios and the chemistry of emulsions, breaking down classic sauces like aioli and béchamel into simple, repeatable formulas, whereas many channels rely on vague measurements.

channel

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