1In a medium-sized mixing bowl, combine the mayonnaise and sour cream.
Add the dried dill and garlic powder to the bowl.
Stir all the ingredients together until well combined and smooth.
Taste and adjust seasoning if necessary.
Transfer the dressing to a jar or airtight container and refrigerate for at least 30 minutes to allow the flavors to meld.
Serve chilled over your favorite salad or as a dip.