German Potato Soup
["1 medium onion, chopped fine", "1 clove garlic, minced", "2 Tbsp. butter", "1 Tbsp. flour", "2 c. grated cooked potatoes", "2 c. milk", "1/2 c. chopped ham or bacon", "1 large egg yolk", "salt and pepper to taste"]
["Saute onion and garlic in butter until onion is golden.", "Add flour, stirring until smooth.", "Add potatoes and cook for 2 minutes.", "Gradually add milk, stirring until smooth.", "Add ham or bacon; salt and pepper to taste.", "Add beaten egg yolk, stirring until creamy and soup is heated through."]
["onion", "clove garlic", "butter", "flour", "potatoes", "milk", "ham", "egg yolk", "salt"]