Cold potato salad

Ingredients

• 600 g waxy white or red potatoes unpeeled
• 1 large sized red onion
• 1 small green capsicum
• 1 small red capsicum
• 3 celery sticks
• 1/4 cup finely chopped spring onion
• 3/4 cup whole egg mayonnaise
• 2 Tbsp white wine vinegar
• 3 Tbsp sour cream
• 1 tsp dried mixed herbs or Italian herbs
• Salt and fresh ground black pepper to taste