Instructions
Step 1
Cut the potatoes into cubes and finely chop the onion.
Step 2
Add all [A] to a pot and heat over medium heat. Once it comes to a boil, add the ground beef and simmer until most of the liquid has evaporated.
Step 3
Fill the hot dog buns with the mixture from step 2, then drizzle with tonkatsu sauce.
Tip
If you put the croquette filling in bread, it turns into a croquette in your mouth! You can also use any bread you like instead of hot dog buns for a delicious variation.