Home » Recipes » Potato and Sweet Potato au Gratin with Herbs Suggestions? Potato and Sweet Potato au Gratin with Herbs - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown 1 1/2 pounds Yukon Gold potatoes (can substitute russet, but gold are prettiest) Ingredients Per Serving Qty Common Price Price per Serving 1 1/2 pounds medium sweet potatoes (can substitute yams) 2 oz $1.49 per pound $0.19 2 cups heavy whipping cream 2 tablespoons $3.89 per pint $0.32 1/2 stick butter 0.04 stick $3.99 per 16 ounces $0.04 2 garlic cloves, minced 1/6 garlic cloves $4.00 per pound $0.00 1 1/2 tsp each dried chopped rosemary, sage, thyme, Italian parsley, fine sea or kosher salt (substitute 1 Tbsp fresh herbs for any of these dried alternatives) 1/8 teaspoon $2.59 per 1 1/4 ounces $0.02 3/4 tsp fresh ground black pepper 0.06 teaspoon $7.99 per 16 ounces $0.00 1 1/4 cups packed, coarsely grated Gruyere cheese (~5oz) 1 tablespoon $13.33 per 8 ounces $0.81 Total per Serving $1.39 Total Recipe $16.65 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close