Peel and dice the potatoes into large pieces.

Place the potatoes in a large pot and cover with water.

Add chicken stock to the water and bring to a boil.

Cook the potatoes for approximately 15 minutes, or until tender.

Drain the potatoes and set aside to cool.

Cook the streaky bacon in a heated frying pan until crisp.

Place the bacon on a paper towel to drain and set aside.

In a bowl, combine Greek yogurt, mayonnaise, and lemon juice.

For a textured cheese experience, crumble the blue cheese into the mixture.

For a smoother flavor, blend the blue cheese in a food processor before adding it to the mixture.

Add the finely sliced fresh chives and mix well to create the cheese dressing.

In a large serving bowl, combine the potatoes, finely diced Spanish onion, and finely diced sweet gherkins.

Crumble the cooked bacon throughout the potato mixture.

Pour the cheese dressing over the potato mixture and mix thoroughly to combine.

Serve immediately or chill for later. Enjoy as a tasty side dish.