Traditional Slovenian Štruklji with Vegetables

Method

1. In a bowl, mix flour, egg, milk, and a pinch of salt to make a thin dough. Let it rest for 10 minutes.
2. In a pan, sauté the onion, carrot, and celery until tender. Season with salt and pepper.
3. Spread the sour cream on the dough, then add the vegetable mixture.
4. Roll the dough tightly, then cut into individual portions.
5. In a pot, bring water to a boil, add the rolled dumplings, and cook for 15-20 minutes.
6. Melt butter in a pan and sauté the dumplings until golden brown.
7. Serve hot with additional sour cream if desired.