Mix in parsley, chives, dill, onion powder, garlic powder, white wine vinegar, salt, black pepper and sugar.
1½ tbsp fresh flat-leaf parsley, 1 tbsp fresh chives, 1 tsp fresh dill, ½ tsp onion powder, ¼ tsp garlic powder, 1-2 tsp white wine vinegar, ¼ tsp kosher salt, ⅛ tsp freshly ground black pepper, ¼-½ tsp white sugar