Meal-in-a-bowl Potato Salad

• 4 eggs (hard boiled)
• 1/2 crosswise
• 425 gr potatoes unpeeled (red new)
• 300 ml low fat yogurt (plain)
• 65 gr pitted ripe black olives in (sliced)
• 30 ml lemon juice (fresh)
• 16 ml olive oil
• 7 gr parsley
• 7 ml dijon mustard
• 2 gr sugar