Onion Soup with Gruyère Croutons
Onion Soup with Gruyère Croutons is a classic French bistro dish featuring a rich, savory broth made from caramelized onions, typically beef-based, topped with crusty bread and melted Gruyère cheese. Originating in France, it's known for its deep, sweet onion flavor and comforting, cheesy topping.
🍽️ Nutrition at a glance
This dish is moderately high in fat and carbs, primarily from the cheese and bread, while offering protein from the beef broth and cheese. A typical serving provides around 300-400 calories, with key nutrients including calcium, protein, and antioxidants from the onions.
Nutrition breakdown
| Calories | 210 kcal |
| Protein | 10 g |
| Carbs | 18 g |
| Fat | 11 g |
| Fiber | 2 g |
| Sugar | 4 g |
| Sodium | 980 mg |
| Calcium | 200 mg |
| Iron | 1.5 mg |
| Potassium | 320 mg |
| Vitamin A | 150 IU |
| Vitamin C | 4 mg |
| Vitamin B6 | 0.2 mg |
| Folate | 30 mcg |
| Phosphorus | 180 mg |
Per 1 cup (240 g) · estimated, varies by recipe
💡 What's interesting
Culturally, this soup is a staple of French cuisine, often served in a crock with a broiled cheese crust, making it a symbol of hearty, rustic cooking. Nutritionally, the caramelized onions provide antioxidants and prebiotic fibers that support gut health, while the Gruyère adds a rich source of calcium and umami depth.
