Slice the tofu sheets into thin strips.
Julienne the carrot, onion, bell pepper, and zucchini.
Heat olive oil in a pan and stir-fry the carrot, onion, zucchini, and bell pepper.
When the vegetables are half cooked, add the tofu strips and stir-fry together.
Season with soy sauce, minced garlic, and pepper.
Once all ingredients are cooked, transfer to a plate.