Cut tofu and vegetables into bite-sized pieces.
Heat cooking oil in a pan and sauté minced garlic.
Add onion, green onion, and zucchini, then stir-fry.
Add chili powder and stir-fry further.
Add soft tofu and minced beef or pork.
Season with soy sauce, salt, and pepper.
Serve the cooked tofu mixture over rice.