Read the ingredient
Read the ingredients. (1/2 cup) Unsalted European Style Butter such as Plugra (room temperature)2 tbs white truffle oil (use 1 TSP chopped black or white truffles instead if you have them)1 1/2 cups half and half1 teaspoon sea salt1 teaspoon freshly ground pepper (preferably white)1 tablespoon parsley finely chopped (optional)Add potatoes to a large saucepan.