Dice the potato, onion, and tomato to your preferred thickness and size.
Add olive oil to a pan and roast the potatoes.
Once the potatoes are slightly golden, add the onion and tomato and sauté together.
Season with salt and pepper.
When the vegetables are fully cooked, add curry powder and about 50ml of water to prevent burning.
Add tofu (any kind), then mash it into the pan.
Wait until the curry sauce simmers, then serve the curry over rice to finish.