Thickener | Gluten Free Diet (if gluten-free flour used)

Dark Roux

N/A Allergens: Wheat
Dark Roux

Sourcing & Taxonomy

  • Family N/A
  • Primary Cuisine Cajun
  • Seasonality Year-Round
  • Source Wheat, Animal Fat (or Vegetable Oil)

What Is Dark Roux?

A culinary thickening agent made from fat and flour cooked until it develops a deep brown color and nutty flavor.

What Does Dark Roux Taste Like?

Dark Roux has a nutty, savory, slightly bitter taste with toasty, earthy, rich aromas.

Taste
Nutty, Savory, Slightly Bitter
Texture
Smooth, Viscous, Fatty
Aroma
Toasty, Earthy, Rich
Acidity
Low

Technical Metrics

Nutrition Facts

Per 1 tbsp (15g)
Calories479 kcal
Total Fat49.9 g
Saturated Fat13.7 g
Trans Fat0.5 g
Cholesterol0 mg
Protein5.5 g
Total Carbohydrate12.2 g
Dietary Fiber0.5 g
Total Sugars0 g
Calcium4 mg
Iron0.3 mg
Potassium65 mg

Chef’s Secret

Achieving the right color and nutty flavor for dark roux is critical; cook slowly over medium-low heat to prevent burning, which can make it bitter. The darker the roux, the less thickening power it has.

Dark Roux Substitutes & Ratios

The best substitute for Dark Roux is Cornstarch Slurry, used at a 1:1 (for thickening) ratio. Excellent for thickening stews & sauces without the deep flavor.

Substitutes for Dark Roux with ratios
Substitute Ratio Best for
Cornstarch Slurry Best 1:1 (for thickening) Excellent for thickening stews & sauces without the deep flavor.
Light Roux 1:1 Provides thickening with a milder, less roasted flavor.
Beurre Manié 1:1 A cold butter-flour paste, good for last-minute thickening but not for color/flavor.
Arrowroot Powder 1:0.5 Creates a clear, glossy sauce; good for gluten-free needs.

How to Choose & Store Dark Roux

  1. Look for pre-made options or quality flour and fat.
  2. Color should be consistent without burning.

What Pairs Well With Dark Roux?

  • Gumbo
  • Étouffée
  • Stews
  • Gravies

Frequently Asked Questions

What does Dark Roux taste like?

Nutty, Savory, Slightly Bitter Toasty, Earthy, Rich

What is a good substitute for Dark Roux?

The best substitute is Cornstarch Slurry (1:1 (for thickening)). Excellent for thickening stews & sauces without the deep flavor.

How do you choose and store Dark Roux?

Look for pre-made options or quality flour and fat. Color should be consistent without burning.

Related Thickener Ingredients

Need a substitute for Dark Roux right now, or a recipe that uses it? Ask Sous, your AI sous-chef.