Mix all ingredients until well combined.
For this step
Mayonnaise 235 ml
Sour cream 60 ml
Sweet relish 120 ml
Lime 1
Capers 2 tbsp
Dill 2 tbsp
Kosher salt
Black pepper 2 tsp
Sugar 1 tbsp
Taste and adjust seasoning as needed—more salt, sugar, or lime juice.
For this step
Lime 1
Kosher salt
Sugar 1 tbsp