1In a medium-sized mixing bowl, combine the mayonnaise and sour cream.
Add the salt, garlic powder, and onion powder to the mixture and stir well.
Stir in the chopped fresh dill, parsley, and chives until evenly distributed.
Add the lemon juice and mix until the dressing is smooth and creamy.
Taste and adjust seasoning if necessary.
Cover and refrigerate for at least 30 minutes to allow the flavors to meld.
Serve chilled as a dressing for salads or as a dip for vegetables.