Bring a large pot of water to the boil.
Add the potatoes and lower heat to a simmer.
Cover the pot and cook until tender.
Spread the potatoes out on a plate.
Leave potatoes to cool.
Scatter the gherkins ( or capers), crumbles feta and red onion over the potatoes.
Mix together lemon juice and olive oil.
Add herbs.
Drizzle mixture over potatoes.
Season with salt and pepper to taste.