Thoroughly wring out the liquid in the grated potatoes by placing them in a colander and squeezing them with your hands or by placing them in a clean dish towel and wringing out the liquid.
Place the drained grated potatoes in a medium-sized bowl with the grated onion, eggs, flour and salt and use your hands to work it into a tacky mixture.
Add a little more flour if needed.
Do no let the mixture sit for long before using it, use it immediately.
Heat a few tablespoons of oil in a non-stick pan over medium-high heat and place 1/3 to 1/2 cup of the mixture (depending on size preference) in the hot pan and flatten into pancakes with the back of a spoon.
Fry on both sides for 3-5 minutes until the Kartoffelpuffer are golden.
Place them briefly on paper towels.
Serve immediately while hot with applesauce, fruit compote or powdered sugar.
For a savory version serve with herbed yogurt, quark or creme fraiche or with meat and gravy as part of a meal.
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