Separate the cabbage leaves from the core. Cut the leaves into bite-sized pieces.

Cut the cabbage core into thin strips about 5 cm long.

Slice the sausages diagonally.

Heat vegetable oil in a frying pan and stir-fry the cabbage core and sausages.

Once the cabbage core softens, add the cabbage leaves and stir-fry. Add curry powder, ketchup, and salt and pepper, then mix well.