Dutch onion soup with whole-grain cheese crouton

Cozy Dutch onion soup with whole-grain crouton for gut-friendly fiber.

92%

General Gut Health Match

This score is based on all ingredients included in the food recipe and provides a match score for the general population which is not personalized to your personal profile or gut microbiome test.

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Recipe description

Delicious Dutch onion soup finished with a crunchy whole-grain cheese crouton offers gentle, everyday nourishment. Slow-sautéed onions release natural sweetness and prebiotic fibers that can support comfortable digestion, while the whole-grain crouton adds both soluble and insoluble fiber to help build a varied, plant-rich intake. This dish pairs simple ingredients to nourish a balanced microbiome-friendly eating pattern, with polyphenols from onions and the comforting warmth of herbs. It’s a simple, satisfying option for meals that respect fiber diversity and everyday gut-friendly nutrition.

June 20, 2026
Dutch onion soup with whole-grain cheese crouton
Prep 15 min Cook 25 min Easy

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Why this recipe fits you

  • Rich in fiber from onions and whole-grain crouton.
  • Onions provide polyphenols for plant-based flavor.
  • Balanced with cheese for protein and slow carbohydrates.

Gut Health Score

🌿 Fiber diversity
82
🍇 Polyphenol density
75
🧬 Diversity support
74
🛡️ Inflammation support
78
🫧 Fermentation support
0
⚖️ Blood sugar stability
70

Ingredients

Onion
4 piece
Onion
Butter
6 teaspoon
Butter
Wine, white
0.5 glass
Wine, white
Broth
6 cup
Broth
Fresh herbs
1 tablespoons
Fresh herbs
Salt
1 teaspoon
Salt
Bread, whole grain
4 slice
Bread, whole grain
Cheese, cheddar
4 slice
Cheese, cheddar

Instructions

1

Heat olive oil in a large pot over medium heat.

2

Add the sliced onions and cook until softened and caramelized, about 20-25 minutes.

3

Stir in thyme, salt, and black pepper, cooking for an additional minute.

4

Pour in the vegetable broth and bring to a simmer for 10 minutes.

5

While the soup simmers, toast the whole-grain bread slices and top with grated cheese.

6

Serve the soup hot, topped with the cheese croutons.

Nutrition

320 kcal Calories
12 g Protein
38 g Carbohydrates
5 g Fiber
6 g Sugar
14 g Fat
6 g Saturated fat
1.0 g Salt

FAQ

Is this soup vegan by default?
Not by default—it uses cheese and possibly stock. To make it vegan, use vegetable stock and a dairy-free cheese.
What makes this soup gut-friendly?
Slow-sautéed onions provide prebiotic fiber; the whole-grain crouton adds soluble and insoluble fiber; onions also supply polyphenols.
Can I prepare this ahead of time?
Yes. Make the soup base in advance, store in the fridge, and reheat gently; add croutons just before serving to keep them crisp.
How can I reduce the sodium?
Use low-sodium stock and limit added salt; season with herbs.
Is this gluten-free?
Not if you use traditional whole-grain bread; use gluten-free bread for croutons and ensure stock and cheese are gluten-free.
How long do leftovers keep?
Refrigerate for 2–3 days; you can freeze the soup (without croutons) for longer storage; croutons don’t freeze well.
What substitutions work well?
Replace butter with olive oil; use other grains or gluten-free bread; use dairy-free cheese if needed.
How should I serve it?
Serve hot in bowls; add croutons on top or on the side; garnish with herbs.
Is this suitable for kids?
It’s mild and balanced; onions may cause gas for some children; cook onions until very soft and offer child-sized portions.

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