Old-fashioned potato candy is a simple, no-bake treat made from mashed russet potato, powdered sugar, and creamy peanut butter rolled into pinwheels. It sounds unusual until you try it — then it makes perfect sense. This is a nostalgic holiday candy; my grandmother made it every Christmas and I still double the recipe because one log often disappears while it chills.
Why This Old-Fashioned Potato Candy Works
The potato doesn’t contribute a noticeable potato flavor — it functions as a binder. When cooked and cooled, mashed russet potato gives a smooth, pliable base that the powdered sugar can bind to, producing a dough you can roll like pastry. The result is a sweet, tender candy with a creamy peanut butter spiral inside.
Add the powdered sugar gradually. If you add it all at once to warm potatoes it will dissolve and the mixture will become too soft. Working in half-cup increments and kneading between additions lets the sugar build structure slowly. You want a firm but pliable dough, similar to playdough. If the dough sticks, add more powdered sugar; if it gets dry, a teaspoon of milk will help.
Choose russet potatoes for best results. Russets are starchy and dry, which helps the dough set. Waxy potatoes and instant mashed potatoes hold too much moisture and will make the candy too soft. Boil a real russet, mash it completely smooth, and let it cool to room temperature before you begin.
Spread the peanut butter thinly and evenly — too thick a layer will squeeze out when you roll the dough. A thin coating that reaches the edges gives a clean pinwheel when sliced.
Ingredients in This Old-Fashioned Potato Candy Recipe
You only need three ingredients:
- 1 medium russet potato, boiled and mashed
- 7 cups powdered sugar (add gradually)
- Creamy peanut butter, enough to spread a thin layer
How to Make This Old-Fashioned Potato Candy Recipe
- Scrub and peel the russet potato. Boil until fork tender, drain, and mash until completely smooth. Allow the mash to cool to room temperature — warm potato will melt the sugar.
- In a large bowl, add powdered sugar about ½ cup at a time, kneading it into the cooled potato with your hands. Continue until a stiff, non-sticky dough forms. Depending on the potato, this will be about 6–7 cups of sugar.
- Dust a sheet of parchment paper with powdered sugar. Flatten the dough into a rectangle roughly 1/4-inch thick. Place another sheet of parchment on top and smooth it with a rolling pin.
- Remove the top parchment and spread a thin, even layer of creamy peanut butter across the dough, all the way to the edges.
- Using the parchment underneath to help, start at the long edge and roll the dough tightly into a log, like a jelly roll. Wrap the log securely in parchment and refrigerate for at least 1–2 hours so it firms up.
- When chilled, unwrap and slice the log into 1/4-inch rounds. Store in an airtight container with parchment paper between layers.
What’s Needed to Make Potato Candy
- A saucepan to boil the potato
- A sharp knife or peeler to remove the skin
- A potato masher to make a smooth mash
- Parchment paper for dusting, rolling, and wrapping the log
Make Ahead and Storage
Potato candy keeps in the refrigerator for up to one week. Layer the slices between sheets of parchment in an airtight container to prevent sticking. You can also freeze the log or sliced candy for up to two months in a freezer-safe container; thaw overnight in the refrigerator before serving.
Variations
Try crunchy peanut butter instead of creamy for a nutty texture — the peanut pieces add a satisfying bite. If you prefer a subtle flavor boost, stir in 2 teaspoons of vanilla extract to the dough; it’s optional and not part of the traditional family recipe, but it complements the peanut butter nicely.
More Holiday Recipes
No-bake peanut butter bars and saltine toffee (Christmas crack) are both classic additions to a holiday candy tray and pair well with potato candy on a festive platter.
- Soft Frosted Cut Out Sugar Cookies with Buttercream
- Cake Mix Gingerbread Loaf
- Old-Fashioned Gingerbread Loaf Cake
- Sweet Potato Pie
📖 Recipe
Old Fashioned Potato Candy
Dana
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Equipment
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Vegetable peeler
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Potato masher
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Parchment paper
Ingredients
- 2 medium russet potatoes
- 7 cups powdered sugar
- ½ cup creamy peanut butter
Instructions
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Scrub, peel, and boil the russet potatoes until fork tender. Drain and mash until smooth, then cool to room temperature.
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Add about ½ cup powdered sugar at a time to the cooled potatoes, kneading until a stiff dough forms. This usually takes about 6–7 cups, depending on the potato.
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Dust parchment with powdered sugar and shape the dough into a ¼-inch thick rectangle. Cover with another sheet of parchment and roll smooth.
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Remove the top parchment and spread a thin, even layer of peanut butter to the edges.
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Use the parchment under the dough to help roll it tightly, starting at the long side. Wrap the log in parchment and chill 1–2 hours.
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Slice into ¼-inch rounds and store in an airtight container with parchment between layers.
Notes
If the mixture seems too soft, a small amount of cornstarch can help thicken the base without changing the flavor.
Nutrition
Nutritional information is an estimate and may vary based on ingredients and portion sizes.
© Mama Needs Cake
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