Slice onions in strips. Cut the carrot and potato in cubes. Add some salt and pepper.

Sprinkle some salt and pepper to the beef cubes.

In a heated pan, place 1 tablespoon of oil and cook the onion, carrot, and potato for 2-3 minutes. Set aside.

Using the same pan, stir fry the beef cubes on each side until brown. Set aside.

In a pot, place the beef, cubed carrots and potatoes, onions and Japanese curry mix with water.

Place slow cooker into high for 90 minutes. Served with rice.