Sour Cream Potato Salad

• 10 potatoes (red)
• 4 eggs (hard boiled)
• 240 ml mayonnaise
• 150 gr celery (sliced)
• 120 ml sour cream
• 120 gr green onions (sliced)
• 80 gr clear
• 36 gr cucumber (diced)
• 7 ml horseradish sauce
• 5 ml mustard (yellow)