Sorrel soup (rūgštynių sriuba) – Classic
This is the traditional, time-tested version of the dish. It stays true to its origins, using well-established techniques and ingredients that define its authentic flavor. A perfect starting point for exploring its evolution.
Sorrel soup, known in Lithuania as Rūgštynių Sriuba, is a traditional dish that embodies the fresh and tangy flavors of spring. This soup dates back centuries, serving as a staple in Lithuanian homes. Made primarily with sorrel leaves, known for their tartness, it often includes potatoes, carrots, and eggs, making it a hearty but refreshing dish. Its origins lie in the countryside kitchens where foraged sorrel was a way to welcome the season of renewal.
Ingredients
- fresh sorrel leaves – 200 g / 7 oz
- potatoes – 400 g / 14 oz (approximately 3 medium potatoes), peeled and diced
- carrots – 150 g / 5 oz (approximately 2 medium carrots), sliced
- yellow onion – 1 medium, finely chopped
- butter – 2 tbsp / 28 g
- vegetable broth – 1 liter / 4 cups
- salt – to taste
- black pepper – to taste
- hard-boiled eggs – 2, quartered
- sour cream – to serve
Instructions
- Melt the butter in a large pot over medium heat. Add the chopped onion and sauté until translucent.
- Add the carrots and potatoes to the pot, stirring occasionally for about 5 minutes.
- Pour in the vegetable broth and bring to a boil. Reduce the heat and let it simmer until the vegetables are tender, about 15-20 minutes.
- Add the sorrel leaves to the pot and cook for an additional 5 minutes until they wilt.
- Season the soup with salt and black pepper to taste.
- Serve hot with a spoonful of sour cream and a few quarters of hard-boiled eggs on top.
Substitutions
- vegetable broth -> chicken broth
- sour cream -> Greek yogurt
- butter -> olive oil
Enhancements in the Next Evolution
- Add chopped fresh dill for extra flavor.
- Include a dash of lemon juice to enhance the soup’s tanginess.
- Incorporate diced smoked bacon for a smoky depth.
Curious to see how this dish evolves? Discover refined flavors and enhanced techniques in the next version.

Lithuania