Home » Recipes » Authentic Scottish Shortbread Suggestions? Authentic Scottish Shortbread - Recipe Cost Ingredients Per Serving Qty Common Price Price per Serving 2 c. Sifted all-purpose flour 2 tablespoons $2.99 per 5 pounds $0.03 1/2 lb Cool butter, cubed 2/3 oz $3.99 per 16 ounces $0.17 1/2 c. Potato flour 2 teaspoons $5.01 per 24 ounces $0.05 1/2 c. Sifted icing (confectioners) sugar 2 teaspoons n/a Total per Serving $0.24 Total Recipe $2.91 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close