German Celery Root Salad - cooking recipe

Ingredients

2 celeriac (celery root), peeled and cut into quarters
2 cups water
1 tablespoon salt, or as needed
1 large onion, finely chopped
5 tablespoons white vinegar
2 tablespoons white sugar
1 tablespoon rapeseed oil

Preparation

Combine celeriac pieces, water, and 1 tablespoon salt in a saucepan, bring to a boil and cook until celeriac is soft, 15 to 20 minutes. Drain, reserving cooking liquid, and set aside to cool, about 1 hour. Cube celeriac and place in a bowl with onion.
Stir together cooled cooking liquid, vinegar, and sugar. Pour over celeriac and onion. Add oil and mix well. Season with salt.