Silky Greek Lemon & Egg Soup (Keto)

Dinner, Stews & Soups

March 10, 2026

A Taste of Greece, Reimagined

Step away from the traditional and into a world of instant comfort with this modern take on Avgolemeno. While classic Greek lemon-egg soup often features chicken and orzo, we’ve stripped it back to its luxurious core. The result is an incredibly smooth, rich, and bright soup with a velvety, custard-like texture. It’s so pure and silky, you could even drink it from a mug! Ready in under five minutes, this recipe is a perfect keto-friendly lunch, a sophisticated starter, or a comforting remedy for a chilly day. The fresh lemon juice cuts through the richness of the egg and butter, creating a beautifully balanced and clean-tasting soup that will leave you feeling nourished and satisfied.

Ingredients

• 1 large egg, about 54 g, whisked
• 3 1/2 tablespoons or 52 g heavy cream
• 3 1/2 tablespoons or 50 g chicken broth
• 1 tablespoon or 17 g European-style butter
• 1/2 teaspoon or 2 g fresh lemon juice
• Salt and freshly ground black pepper, to taste

Instructions

1. In a medium microwave-safe bowl, whisk together the egg, heavy cream, chicken broth, and butter until well combined.
2. Microwave on high in 30-second intervals, whisking thoroughly after each interval to ensure the egg heats evenly and doesn’t scramble.
3. Continue heating until the soup thickens and an instant-read thermometer registers at least 160°F / 71°C. This typically takes about 2 minutes total. The longer you cook, the thicker the soup will become.
4. Once the soup has reached your desired consistency, carefully remove it from the microwave and stir in the fresh lemon juice. Season with salt and pepper to taste and serve immediately.

Nutritional Information

• Estimated for one serving
• Calories: 345 kcal
• Fat: 34g
• Protein: 7g
• Net Carbs: 2g

Pro Tips

• If the eggs accidentally overcook and the soup becomes grainy, a few seconds with an immersion blender will bring it back to a perfectly smooth and creamy consistency.
• For a stovetop version, gently heat the egg, cream, broth, and butter in a small saucepan over low heat. Whisk constantly and do not let it boil. Remove from heat once thickened and stir in the lemon juice.
• Using a high-quality, flavorful chicken bone broth will add extra richness and nutritional value to the soup. For a different flavor profile, try adding a pinch of nutmeg or a sprinkle of fresh dill.
• The key to a silky, custard-like texture is to avoid shocking the egg with high heat. Gentle, incremental heating with constant stirring is crucial, whether using a microwave or a stovetop.

FAQ

Q: What makes this Avgolemeno recipe keto-friendly
A: This Avgolemeno recipe is keto-friendly because it omits traditional high-carb ingredients like orzo or rice. It uses a rich base of egg, heavy cream, and butter, resulting in only 2g of net carbs per serving.

Q: How do I prevent the eggs from scrambling in this soup
A: To prevent the eggs from scrambling, use gentle, incremental heat. In the microwave, heat in 30-second intervals, whisking thoroughly after each one. On the stovetop, use low heat and whisk constantly without letting it boil.

Q: Can I make this Greek lemon egg soup on the stovetop
A: Yes, you can make this on the stovetop. Gently heat the egg, cream, broth, and butter in a small saucepan over low heat, whisking constantly. Once it thickens, remove it from the heat and stir in the lemon juice.

Q: What if my Avgolemeno soup becomes grainy
A: If the soup accidentally overheats and becomes grainy, you can easily fix it. A few seconds with an immersion blender will bring it back to a perfectly smooth and creamy consistency.

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