>> source: https://www.simplyscratch.com/homemade-ranch-dressing-mix/
>> total time: 5 minutes

In a mixing bowl; combine @mayonnaise{1/2%cup}, @sour cream or plain non-fat greek yogurt{1/2%cup}, @ranch dressing mix{3%Tbsp}, and @buttermilk or water{2/3%cups}.

Add more buttermilk or water to thin as desired.