Creamy Chicken Potato Salad

Ingredients

• 3 eggs
• 2 teaspoons Dijon mustard
• 1 tablespoon lemon juice
• 1 clove garlic (, grated)
• Ground black pepper ((to taste))
• 1 lb (450 g) red potatoes ((*Footnote 1))
• 1 tablespoon plus 1/2 teaspoon salt (, separated)
• 1/2 lbs (225 g) boneless skinless chicken thigh ((or breast))
• 1 thumb ginger (, sliced to thin strips (*Footnote 2))
• 1 celery stalk (, finely diced (yield 1/2 cup))
• 1/4 small white onion (, finely diced (yield 1/4 cup))
• 1/2 cup Kewpie mayonnaise (, or regular mayo (*Footnote 3))