Brush and peel the potatoes.
Using the large holes of a box grater or a food processor with the shredding blade attachment, grate the potatoes and the onion.
Transfer the grated mixture to a clean dish towel or a cheesecloth. Squeeze out as much liquid as possible into a bowl. You can create a tourniquet by tying the corners of the fabric around the handle of a wooden spoon and twist. Let that water rest for 2-3 minutes.
Transfer the dried grated mixture to a large bowl and season with salt and pepper.
Add the bread crumbs and toss to combine with your fingers.
Pour the water off the bowl, being careful not to discard the starchy sediment that formed at the bottom. Add the egg and beat to combine with a fork or a small whisk.
Add the egg mixture to the potatoes and toss to combine.
Pour the oil into the skillet and heat until bubbles form around a piece of potato.
To form the latkes, grab a handful of the grated mixture and form a ball. Then flatten and carefully slide it into the skillet. Do not overcrowd them.
Cook until golden brown on both sides. About 3 -4 minutes per side.
Transfer to a plate lined with paper towels.
Serve immediately with garnishes.