Here’s one that looks easy and uses a acupcake tin to cook in, making perfect sizes for 1-2 people.
https://dishinanddishes.wordpress.com/2009/07/01/kraut-bierocks-german-cabbage-burgers-part-1/
https://dishinanddishes.wordpress.com/2009/07/01/kraut-bierocks-german-cabbage-burgers-part-1/