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Classique French Onion Soup

Classique French Onion Soup

with Gruyere Toast & Apple Dijon Salad
4.0(3.6K)
Recipe Development Team
Recipe Development TeamUpdated on January 23, 2026
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Calories
290 kcal
Protein
4g protein
Difficulty
Easy
Allergens:
  • Soy
  • Wheat
Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.
serving amount

¼ ounce

Thyme

2 unit

Onion

1 unit

Lemon

1 unit

Apple

3 unit

Mushroom Stock Concentrate

½ cup

Gruyère Cheese

2 teaspoon

Dijon Mustard

2 ounce

Mixed Greens

1 unit

Demi-Baguette

(Contains: Soy, Wheat)

5 teaspoon

Sherry Vinegar

Not included in your delivery

teaspoon (tsp)

Salt

teaspoon (tsp)

Black Pepper

/ per serving
Calories290 kcal
Fat2.5 g
Carbohydrate54 g
Sugar17 g
Dietary Fiber6 g
Protein4 g
Sodium1150 mg
Potassium450 mg
Calcium70 mg
Iron2 mg
Due to the different suppliers we purchase our products from, nutritional facts per meal can vary from the website to what is received in the delivered box, depending on your region.
Small Bowl
Large Pot
Large Bowl
Baking Sheet

Cooking Steps

Prep and Make Dressing
1

Heat broiler to high. Wash and dry all produce. Halve, peel, and very thinly slice onions. Pick thyme leaves from stems; mince leaves until you have 1 tsp (2 tsp for 4), reserving a few whole leaves for garnish. Trim ends from baguette; slice crosswise into 6 equal-size rounds (12 rounds for 4 servings). Halve lemon. In a small bowl, combine juice from whole lemon, a large drizzle of olive oil, and mustard to taste. Season with salt and pepper; set aside.

Caramelize Onions
2

Heat a large pot over medium-high heat; add a large drizzle of olive oil and 1 TBSP butter. Add onions and ½ tsp salt (1 tsp for 4). Cook, stirring occasionally, until onions are slightly softened and browned, 8-10 minutes. Stir in ¼ cup water, scraping up any browned bits from bottom of pan. Cook, without stirring, 8-10 minutes more. Add another ¼ cup water, scraping up any browned bits from bottom of pan; cook, stirring occasionally, until deeply browned and caramelized, 8-10 minutes more. TIP: If onions start to burn, add a splash of water.

Simmer Soup
3

To pot with caramelized onions, add vinegar, minced thyme, 1 TBSP sugar (2 TBSP for 4 servings), and ¼ cup water. Cook until deeply browned and jammy, 2-3 minutes. Add stock concentrates and 3 cups water (5 cups for 4). Bring to a simmer and cook, stirring occasionally, until flavors meld, 3-5 minutes. Taste and season with salt and pepper.

Make Salad
4

Meanwhile, halve, core, and thinly slice half the apple (whole apple for 4 servings) into half-moons. In a large bowl, toss apple slices and mixed greens with as much dressing as you like. Season with salt and pepper.

Make Toasts
5

Place baguette slices on a baking sheet and top evenly with Gruyère. Broil on top rack until cheese is melted and bubbly, 2-3 minutes. TIP: Watch carefully to avoid burning.

Finish and Serve
6

Divide soup between bowls. Top with Gruyère toasts. Garnish with reserved thyme leaves as desired. Serve with salad on the side.