Dice the tomato and onion.
Heat olive oil in a pan and sauté the onion.
When the onion becomes translucent, add the tomato and stir-fry together.
Add seasoning (salt, pepper, minced garlic) and bring to a simmer.
When the mixture is slightly soupy, add the soft tofu and gently stir as it cooks.
Top with chopped green onion and turn off the heat.