Russian potato salad a la Marbella (main course)

Ingredients

• - 5 large potatoes (diced)
• - 3 carrots (diced)
• - 1 can of peas (drained)
• - 12-15 olives (optional: pitted and chopped)
• - Two red apples (cut into pieces. Use lemon juice to prevent them becoming brown)
• - 50 gram chives or spring onions (cut into fine rings)
• - 5 eggs (boiled and sliced, separate the yolks first and keep them apart for the dressing)
• - 3 tablespoons lemon juice (Mix with the apple pieces to prevent them becoming brown)
• - 2 tablespoons of mild mustard
• - 1 bunch of dill (finely chopped)
• - 125 millilitres of sour cream (12%)
• - 15 small pickles (chopped)
• - 1 red onion cut into shreds
• - Black pepper
• - 1.5 tsp Provencal herbs