01 -
Cut potato into chunks and cook in boiling water for 10–12 minutes until a fork slides in easily. Drain, mash, and let it cool to lukewarm. Weigh out 110 grams (about half a cup).
02 -
In your mixer bowl, add all dough ingredients except the salt. Mix on medium for a couple of minutes until a soft dough forms. Toss in the salt on low speed, then bump back to medium. Knead until it passes the stretch test (windowpane).
03 -
Form dough into a round ball, wrap it up loosely, and leave it until it’s doubled in size—about 1 hour and 45 minutes.
04 -
Stir the cinnamon, sugar, and flour together in a small dish. Prepare a 9x5 pan by coating with non-stick spray.
05 -
Deflate the dough and knead for a minute or two. Roll it flat into a rectangle of about 6x20 inches. Brush most of it with oat milk (keep the top half-inch dry), sprinkle over the cinnamon mix and raisins, press lightly. Roll it up tightly, pinch the seam closed, and place seam-side down in the prepped pan.
06 -
Drape the pan loosely and let it rise again for an hour. Halfway through, preheat the oven to 350°F. Bake for 45 minutes until the inside reaches at least 190°F. Cool completely on a rack once removed from the pan.