Steps
- Cover ½ finely diced onion with boiling water and a pinch of sugar. Soak for 1 hour, then rinse with cold water and drain.
- Mash 1 large avocado with salt. Finely dice 2 tomatoes, season with salt, and drain.
- Warm 4 cooked hot dog franks in a saucepan of simmering water until steaming hot. Toast 4 hot dog buns and split them lengthwise.
- Spread the buns with ¼ cup of mayonnaise. Add the franks, tomatoes, ½ cup of sauerkraut, onion, and avocado.
- Finish with 1 tablespoon of ketchup and 1 tablespoon of mustard.