Potato salad with sea kale and celery

Ingredients

• Potato – 3 pcs
• Celery stalk – 3 pcs
• Red onion – 1 pc
• Sea kale – 200 g
• Fresh cucumber – 200 g
• Quail eggs – 10 pcs
• Celery пreens – 1 small bunch
• For marinade: Red wine vinegar – 50 g, Water – 50 g, Sugar – 5 g, Salt – 2 g, Spices (cumin, coriander, pepper, bay leaf), to taste
• For dressing: French mustard – 1 tbsp, Mustard – 1 tbsp, Sugar – 0.25 tbsp, Red wine vinegar – 1 tbsp, Chicken egg (yolk) – 1 pc, Odorless oil – 100 g, Salt, pepper, to taste