Recipes & Cooking Recipes by Ingredient Potatoes These 15-Hour Potatoes Are 100% Worth the Wait 5.0 (1) 1 Review They're ultra-crispy on the outside and perfectly fluffy inside. By Sarah Martens Sarah Martens Sarah Martens is the Senior Editor overseeing food at Better Homes & Gardens digital. She has been with the BHG brand for more than 10 years. Learn about BHG's Editorial Process Published on June 23, 2024 Rate PRINT Share Close Photo: Rachel Marek. Prop Styling: Addelyn Evans Prep Time: 25 mins Bake Time: 3 hrs Chill Time: 12 hrs Fry Time: 12 mins Total Time: 15 hrs 37 mins Servings: 32 Yield: 32 pieces Jump to Nutrition Facts We've tried several TikTok-famous recipes in our Test Kitchen, and many of them have been fantastic. Remember Dirty Martini Pasta and Chippy Boys? But this potato recipe may take the top spot as our favorite viral recipe. TikTok creator @poppycooks first introduced use to the recipe. Our take on 15-Hour Potatoes are cooked low and slow in beef tallow before being fried until golden brown. Serve them with our spicy horseradish dip, or try topping the potato cubes with creme fraiche and caviar. We Tried the TikTok-Famous Million Layer Potatoes, And They're Delicious What Are 15-Hour Potatoes? 15-Hour Potatoes are made with thin layers of sliced russet potatoes that are slowly cooked in beef tallow. Once out of the oven, the potatoes are chilled overnight before being sliced into cubes and fried. The finished potato recipe is crispy and golden on the outside and tender and fluffy on the inside. Ingredients 3 pounds russet potatoes, peeled 3 tablespoons cider vinegar 1/2 cup beef tallow or rendered duck fat, melted 2 teaspoons kosher salt, plus more for serving Peanut oil, for frying Horseradish Sour Cream 1/2 cup sour cream 1 tablespoon prepared horseradish 1 teaspoon snipped fresh chives Directions Line a 9x5-inch loaf pan with parchment paper, allowing edges to extend beyond the sides of the pan. Peel and slice the potatoes lengthwise using a mandoline, to 1/16-inch. Place in a extra-large bowl; cover potatoes with water. Add the cider vinegar. Gently stir and let stand for 30 minutes. Drain well and pat very dry. Preheat oven to 250°F. Return potato to the same bowl. Add beef tallow, and salt. Gently toss to coat. Arrange slices layer by layer, filling gaps in the previous layers as you go. Cut a piece of parchment to fit over the top of the potato layers. Bake 3 hours or until fork tender. Remove top parchment paper, cover potatoes with plastic wrap. Place a second loaf pan of the same size on top of the potatoes. Weight with several cans of food. Chill in the refrigerator 12 hours. Remove weights. Lift potatoes form pan using the edges of the parchment. Cut the stack of potatoes into 32, 1-inch pieces. In a deep, heavy saucepan, heat 1 1/2-inch of oil to 375°F. Fry 6 to 8 potato pieces at a time until golden brown and crisp, 3 to 4 minutes. Sprinkle with additional salt. Serve with Horseradish Sour Cream. Horseradish Sour Cream In a small bowl, whisk together sour cream, horseradish, and chives. Rate It Print Nutrition Facts (per serving) 82 Calories 4g Fat 9g Carbs 1g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 32 Calories 81.5 % Daily Value * Total Fat 4.4g 6% Saturated Fat 2g 10% Cholesterol 5.6mg 2% Sodium 87.8mg 4% Total Carbohydrate 9.4g 3% Dietary Fiber 1g 4% Total Sugars 0.6g Protein 1.2g 2% Vitamin D 0mcg 0% Vitamin C 3.7mg 4% Calcium 11.7mg 1% Iron 0.5mg 3% Potassium 240.7mg 5% Fatty acids, total trans 0g Vitamin D 0.9IU Alanine 0g Arginine 0.1g Ash 0.8g Aspartic acid 0.3g Caffeine 0mg Carotene, alpha 0mcg Choline, total 9.7mg Copper, Cu 0mg Cystine 0g Energy 342.1kJ Fluoride, F 19.2mcg Folate, total 11.6mcg Glutamic acid 0.2g Glycine 0g Histidine 0g Isoleucine 0g Leucine 0.1g Lysine 0.1g Methionine 0g Magnesium, Mg 13.3mg Manganese, Mn 0.1mg Niacin 0.6mg Phosphorus, P 33.2mg Pantothenic acid 0.2mg Phenylalanine 0g Phytosterols 0.9mg Proline 0g Retinol 4.3mcg Selenium, Se 0.4mcg Serine 0g Starch 7.4g Theobromine 0mg Threonine 0g Vitamin E (alpha-tocopherol) 0.2mg Tryptophan 0g Tyrosine 0g Valine 0.1g Vitamin A, IU 21.7IU Vitamin A, RAE 4.9mcg Vitamin B-12 0mcg Vitamin B-6 0.2mg Vitamin K (phylloquinone) 1mcg Water 36g Zinc, Zn 0.2mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.