Lighter tartare sauce

Ingredients

• ¼ cucumber, deseeded and chopped
• 3 cocktail gherkins, chopped
• 2 small silverskin pickled onions, chopped
• 1 tbsp capers
• 1 tsp fresh tarragon, chopped
• 1 tsp fresh mint, chopped
• 1 tsp fresh dill, chopped
• 60g Greek yogurt
• grated zest and juice of ½ lemon
• ½ tbsp aïoli (we like Maille, from Tesco)