Roughly chop the vegetables and slice the beef against the grain into thick strips. Prepare the rice in the rice cooker at the same time
Fry the beef on medium-high heat for about 5 minutes. Retain the juice in the frying pan
Saute the vegetables for 5-10 minutes with the beef juice still in the pan
Add the tomatoes
Pour in about 1 liter of water and cook until everything is soft and cooked through
Put the beef back in
Put in the curry roux
Serve up with rice and enjoy!