Golden Gruyere Onion Soup

Caramelized Onion Soup Au Gratin Recipe

Overview

Discover the secret to a comforting yet low-carb Caramelized Onion Soup Au Gratin that doesn’t compromise on taste. This recipe emphasizes slow caramelization of onions and shallots to achieve a rich, sweet flavor, balanced with the savory depth of beef broth and the creamy richness of Gruyere cheese. Perfect for those looking to indulge without guilt, this dish promises to be a delightful addition to any mealtime.

• Cook Time: 45 minutes
• Prep Time: 0 minutes (excluding passive preparation)
• Total Time: 45 minutes
• Recipe Category: Vegetable
• Keywords: Less than 60 Minutes

Ingredients

• 1/2 large onion
• 1 shallot
• 3 tbsp butter
• 1 tbsp Splenda (or any sugar substitute)
• 1 cup beef broth
• 1/2 cup dry sherry
• 1 cup shredded Gruyere cheese

Nutritional Information (Per Serving)

• Calories: 656.9
• Total Fat: 53.7g
  • Saturated Fat: 32.6g
• Cholesterol: 154.7mg
• Sodium: 1016mg
• Total Carbohydrates: 12.8g
  • Dietary Fiber: 1.1g
  • Sugars: 5g
• Protein: 20.2g

Instructions

1. Caramelizing Onions:
   Start by thinly slicing the onion and shallot. In a 3- to 4-quart pan, melt butter over medium heat. Add the sliced onion, shallot, and Splenda (or sugar substitute). Stir well to coat the onions evenly with butter and sweetener. Cook this mixture over medium heat, stirring often, until the onions start to caramelize. This process takes about 35 minutes. Be patient, as the slow and low heat is crucial for achieving that deep, sweet flavor without burning.

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   Tip: If you notice the onions are browning too quickly, reduce the heat to medium-low and continue cooking.

2. Adding Broth and Sherry:
   Once the onions are caramelized to your liking (soft and golden brown), increase the heat to medium-high. Pour in the beef broth and dry sherry, stirring to combine. Bring the mixture to a simmer. This step allows the flavors to meld together while ensuring the soup base is well-seasoned.

3. Preparing for Baking:
   Preheat your broiler. Transfer the soup into an ovenproof bowl. For the classic “au gratin” touch, top the soup generously with shredded Gruyere cheese. The cheese will melt beautifully under the broiler, creating a golden, bubbly crust that enhances the soup’s texture and flavor.

4. Broiling the Soup:
   Place the filled bowl on a baking sheet (to catch any spills) and position it about 6 inches away from the broiler heat. Broil the soup for approximately 3 minutes or until the cheese is fully melted, bubbling, and lightly browned on top. Keep a close eye on it to prevent burning.

5. Serving:
   Carefully remove the soup from the broiler once the cheese is perfectly melted and browned. Allow it to cool for a minute or two before serving to ensure safe handling. The soup is best enjoyed hot, straight from the oven.

Review and Rating

• Aggregated Rating: 5 stars
• Review Count: 1 review

Additional Tips

• For a richer flavor, consider using homemade beef broth or a high-quality store-bought option.
• Garnish the soup with fresh herbs like thyme or parsley before serving to add a pop of color and freshness.
• Serve this soup as a starter for a cozy dinner or pair it with a crisp green salad and crusty bread for a more substantial meal.

Conclusion

This Caramelized Onion Soup Au Gratin recipe offers a luxurious yet low-carb twist on a classic favorite. By taking the time to caramelize the onions properly and using flavorful ingredients like dry sherry and Gruyere cheese, you create a soup that’s both comforting and sophisticated. Whether you’re cooking for yourself or entertaining guests, this dish is sure to impress with its depth of flavor and satisfying textures.