Classic Sauce Tomate (French Tomato Mother Sauce)
(Note: Unlike Italian-style marinara or simple tomato sauce, classical French Sauce Tomate as codified by Auguste Escoffier incorporates rendered salt pork/bacon, a subtle mirepoix, white stock, and a gentle roux for a rich, savory body.)
Overview
-
Prep Time: 15 minutes
-
Cook Time: 1 hour 15 minutes
-
Yield: Approx. 3 cups
-
Category: Sauces & Dressings
Equipment Needed
-
Medium heavy Dutch oven or saucepot
-
Wooden spoon & wire whisk
-
Fine-mesh sieve or food mill
-
Cheesecloth and kitchen twine
Ingredients
Base & Fat
-
2 oz (50g) salted pork belly or thick-cut unsmoked bacon, diced
-
2 tbsp (28g) unsalted butter
-
1/2 cup yellow onion, finely diced
-
1/4 cup carrot, finely diced
-
2 cloves garlic, minced
Thickener & Liquid
-
2 tbsp (16g) all-purpose flour
-
1 can (28 oz / 800g) whole peeled plum tomatoes (crushed by hand)
-
2 tbsp tomato paste
-
1.5 cups (360ml) white veal or chicken stock
Aromatics & Seasoning
-
1 bay leaf
-
2–3 sprigs fresh thyme
-
1/2 tsp kosher salt
-
1/4 tsp freshly ground black pepper
-
1/4 tsp sugar (to balance natural tomato acidity)
Step-by-Step Instructions
-
Render the Pork Fat: In a medium Dutch oven over medium-low heat, render the diced salt pork (or bacon) in the butter until the fat melts out and the pork turns lightly golden (about 5 to 7 minutes).
-
Sauté the Mirepoix: Add the finely diced onions, carrots, and minced garlic to the pot. Sauté for 5 to 6 minutes until the vegetables soften and turn translucent.
-
Make the Roux: Sprinkle the all-purpose flour over the vegetables and fat. Cook, stirring constantly with a wooden spoon, for 2 to 3 minutes to remove the raw flour taste without letting it brown.
-
Add Tomatoes, Stock & Paste: Stir in the tomato paste and cook for 1 minute. Pour in the crushed plum tomatoes with their juices and the white stock, whisking gently to blend into the roux.
-
Simmer with Aromatics: Tie the bay leaf and thyme sprigs together with kitchen twine and drop them into the pot. Add salt, black pepper, and sugar. Bring the sauce to a boil, then reduce heat to low. Cover partially and simmer gently for 1 hour, stirring occasionally to prevent sticking.
-
Strain & Finish: Discard the herb bundle. For a classic Escoffier finish, pass the sauce through a fine-mesh sieve or food mill to remove seeds and tomato skins, leaving a smooth, velvety red sauce. Taste and adjust seasoning.
Key Secondary Sauces (Daughter Sauces)

French Sauce Tomate forms the base for several international sauce variations:
-
Sauce Provençale: Combine Sauce Tomate with sauteed sliced garlic, capers, black olives, extra-virgin olive oil, and fresh basil or herbes de Provence.
-
Sauce Portugaise: Add sauteed diced onions, garlic, tomato concassé (peeled and seeded tomatoes), and chopped fresh parsley.
-
Sauce Creole: Sauté onions, green bell peppers, celery (the Cajun holy trinity), and garlic, then simmer with Sauce Tomate and hot pepper sauce.
-
Sauce Spanish (Milanaise): Combine Sauce Tomate with sautéed mushrooms, onions, green peppers, and ham.
Chef’s Tips for Success
-
Preventing Scorching: Tomatoes contain natural sugars that easily settle and burn at the bottom of the pan. Stir frequently with a wooden flat-bottomed spatula.
-
Acid Balance: The small pinch of sugar is traditional to neutralize sharp tomato acidity without making the sauce taste sweet.
-
Storage: Keeps refrigerated in a sealed container for up to 5 days, or frozen for up to 3 months.