Veal Sweetbreads with Green Onions

Name: Veal Sweetbreads with Green Onions
Prep time: 20 min
Cook time: 3 h
Total time: 3 h
Yield: 6 portions
Ingredients: 1000 g veal sweetbreads; 750 g water; 250 g white vinegar; 600 g water; water; ice cubes; 300 g green onions; 2 garlic cloves; 30 g olive oil; 1 - 2 pinches fine sea salt; 1 - 2 pinches ground black pepper; 100 g white wine; 100 g whipping cream; fine sea salt; ground black pepper