~ Place in a bowl the mashed potatoes for as much dip as you would like to make.
~ Add salt to taste. 
~ Crush well as many garlic cloves as desired so the dip can have the garlicky taste.
~ Add the garlic to the mix and keep on stirring so the garlic can mix well with the mashed potatoes.
~ As stirring add oil and vinegar until the mixture becomes thick and smooth.
~ Place in clean bowl, garnish with parsley and kalamata black olives.
~ Skorthalia can be served hot or cold.
~ Good luck and enjoy.