Home » Recipes » Mashed Potatoes Suggestions? Mashed Potatoes - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown salt and pepper to taste Ingredients Per Serving Qty Common Price Price per Serving 4-5 lb. potatoes, peeled and cubed 9 oz $0.50 per pound $0.28 2/3 cup butter, softened 1 tablespoon $3.99 per 16 ounces $0.17 2/3 cup warm milk 1 tablespoon $3.49 per gallon $0.02 Total per Serving $0.47 Total Recipe $3.73 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close