A very popular sauce is Frankfurter green sauce, ideal for pouring over potatoes. The main ingredients are green herbs of various kinds without the stems, sour cream and lemon balm, seasoned with salt, pepper and mustard.
It is generally served with mashed potatoes or boiled potatoes or wheat bread.
- In a medium bowl, puree the egg yolks with oil and blend to a smooth paste. Add a teaspoon or two of lemon juice.
- Mix cottage cheese, yogurt and sour cream. Add spices and season with salt, pepper and lemon juice.
- Transfer to a food processor or blender and process until the spices are reduced to very small pieces and the cream is bright green. You may choose to strain the mixture into a bowl to remove large chunks of spice or egg yolk.
- Serve cold over hot, boiled potatoes and hard-boiled eggs.