Avgolemono is the classic Greek lemon-egg soup, known for its silky, velvety texture and bright, tangy flavor. This slow cooker version lets you build a deeply savory chicken broth with minimal effort, then finishes with the traditional egg-lemon mixture right before serving. The result is a comforting, restaurant-quality soup that tastes like it simmered all day—because it did.
Ingredients
- 2 lb (900 g) bone-in, skinless chicken thighs (or a mix of thighs and breasts)
- 1 large yellow onion, chopped (about 1 ½ cups / 200 g)
- 2 large carrots, peeled and sliced (about 1 cup / 130 g)
- 2 celery ribs, sliced (about 1 cup / 120 g)
- 6 cups (1.4 L) low-sodium chicken broth
- 1 cup (185 g) uncooked white rice (or orzo pasta)
- 3 large eggs, at room temperature
- ½ cup (120 ml) fresh lemon juice (from about 2–3 lemons)
- 1 tsp salt, plus more to taste
- ½ tsp black pepper
- Fresh dill or parsley, chopped, for garnish
Instructions
- Place the chicken thighs, onion, carrots, celery, and chicken broth in a 6-quart (5.7 L) slow cooker. Cover and cook on LOW for 4 hours, or until the chicken is tender and easily shreds.
- Carefully transfer the chicken to a cutting board. When cool enough to handle, remove the bones and shred the meat into bite-sized pieces. Discard the bones.
- Stir the rice (or orzo) into the slow cooker. Cover and cook on HIGH for 20–30 minutes, until the rice is tender. (If using orzo, check at 15 minutes; it cooks faster than rice.)
- While the rice cooks, prepare the avgolemono mixture: In a medium bowl, whisk the eggs until frothy. Slowly whisk in the lemon juice until combined.
- To temper the eggs, ladle about 1 cup (240 ml) of the hot broth from the slow cooker into the egg-lemon mixture in a thin, steady stream, whisking constantly. This prevents the eggs from curdling.
- Pour the tempered mixture back into the slow cooker, stirring gently to combine. Add the shredded chicken, salt, and pepper. Let the soup heat through for 5–10 minutes on LOW—do not let it boil, or the eggs will scramble.
- Taste and adjust seasoning with more salt or lemon juice if desired. Serve warm, garnished with fresh dill or parsley.
Tips
- Don’t skip tempering: Whisking hot broth into the egg-lemon mixture slowly is essential. If you pour the eggs directly into the hot soup, they will cook into strands like scrambled eggs.
- Use fresh lemon juice: Bottled lemon juice tastes flat and can make the soup bitter. Freshly squeezed lemons give the bright, clean flavor avgolemono is known for.
- Adjust thickness: For a thicker soup, use 1 ¼ cups (230 g) rice. For a thinner soup, reduce to ¾ cup (140 g). The soup will also thicken as it sits.
- Make it gluten-free: Use rice instead of orzo, and ensure your chicken broth is certified gluten-free if needed.
Serving Suggestions
Serve this soup with warm crusty bread or pita for dipping. A simple Greek salad with cucumber, tomato, and feta makes a refreshing side. For a heartier meal, add a side of roasted potatoes or a spinach pie (spanakopita).
Variations
- Chicken and rice: Use boneless, skinless chicken breasts instead of thighs; reduce the initial cooking time to 3 hours.
- Vegetarian: Replace the chicken with 4 cups (about 400 g) of chopped mushrooms and use vegetable broth. Omit the chicken and add the mushrooms with the vegetables.
- Herby: Add 1 tsp dried oregano or thyme with the vegetables for an extra layer of flavor.
- Spicy: Stir in ½ tsp red pepper flakes or a pinch of cayenne with the rice.
- Orzo vs. rice: Orzo gives a more pasta-like texture; rice makes it more traditional. Both work, but adjust cooking times accordingly.
Storage and Reheating
Refrigerate leftovers in an airtight container for up to 3 days. The soup will thicken as it sits; add a splash of broth or water when reheating. Reheat gently on the stovetop over medium-low heat, stirring often, until heated through to 165°F (74°C) as per USDA FSIS guidelines for leftovers. Avoid boiling, as it can curdle the eggs. Freeze for up to 2 months in a freezer-safe container; thaw overnight in the refrigerator before reheating.
Frequently Asked Questions
Can I use chicken breasts instead of thighs? Yes, but they cook faster and can dry out. Use boneless, skinless breasts and reduce the initial cooking time to 3 hours on LOW, then shred.
Why did my soup curdle? Curdling happens when the eggs are added to boiling-hot liquid or are not tempered properly. Always temper and keep the soup below a simmer after adding the egg mixture.
Can I make this soup without a slow cooker? Absolutely. Simmer the chicken and vegetables in a pot for 45 minutes, then proceed with the recipe from step 2. Use the same amounts and times for the rice.
Can I use orzo instead of rice? Yes, orzo is a common substitute. Add it in step 3 and cook for about 15–20 minutes on HIGH, checking frequently to avoid overcooking.
How do I get more lemon flavor? Add the zest of one lemon along with the juice, or stir in an extra tablespoon of lemon juice just before serving. Taste as you go—too much lemon can make the soup tart.
Is this soup freezer-friendly? Yes, but the texture may change slightly upon thawing. Freeze without the egg-lemon mixture if possible; add it fresh when reheating for best results.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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