My great-grandmother was born in Germany, and she passed down family recipes to her daughter, which my grandmother introduced to her grandchildren.
Typical dishes were her version of apple crisp (no oatmeal), lentil bean soup, and potato pancakes.

German Potato Pancakes
6 lg Potatoes — mashed
2 Well-beaten Eggs
1 1/2 tb Flour
1/4 ts Baking powder
1 1/2 ts Salt
1 sm Grated onion
Mix the above ingredients. Drop by spoonfuls into 1/4 inch cooking oil. Turn to brown on both sides. This makes about 12 (3-inch) cakes. Good served with applesauce.