Dressed allotment salad - Good Food Middle East

Ingredients

• 400g new potatoes
• 4 eggs
• 300g runner beans, stringed and sliced
• 85g radishes, trimmed and sliced
• 1 robust lettuce, like Little Gem lettuce or Webb's
• 2 tbsp olive oil
• 3 tbsp white wine vinegar
• 1 tbsp English mustard
• 142ml tub single cream
• pinch cayenne pepper