Steps
1. Press tofu to remove excess moisture, then cut into cubes.
2. Heat olive oil in a pan over medium heat.
3. Add minced garlic and sauté until fragrant.
4. Add tofu cubes and cook until golden on all sides, about 5-7 minutes.
5. Add broccoli, cauliflower, and bell peppers; stir-fry for 4-5 minutes until tender-crisp.
6. Add bean sprouts and spinach; cook for another 2 minutes until spinach wilts.
7. Stir in soy sauce, sesame oil, salt, and pepper; mix well.
8. Remove from heat and garnish with toasted sesame seeds if desired.
9. Serve hot alone or with steamed rice or noodles.