Step 1

Preheat the oven to 250 degrees F.

Step 2

Prepare a small loaf pan by lining it with parchment paper.

Step 3

Peel, rinse, and thinly slice the potatoes on a mandolin.

Step 4

Toss the sliced potatoes in the tallow with salt and pepper.

Step 5

Layer the slices and excess tallow into the prepared baking dish.

Step 6

Cover the potatoes with parchment paper and bake them until tender for 2.5 to 3 hours.

Step 7

Once tender, place another pan directly on top of the parchment potatoes and weigh them down.

Step 8

Allow to cool with the weight for at least a few hours, if not overnight, in the fridge.

Step 9

Once chilled and pressed, remove the potatoes from the pan and trim the sides evenly.

Step 10

Heat the remaining tallow in a sauce pot to 350 degrees.

Step 11

Slice potatoes into 1-inch strips and fry in the tallow until golden brown.

Step 12

Drain on paper towel-lined plate.

Step 13

Serve with a drizzle of aioli.