Cut the soft tofu into bite-sized pieces.
Chop the onion, bell pepper, and broccoli finely.
Heat some olive oil in a pan and sauté the onion, bell pepper, and broccoli.
Add the soft tofu and season with salt and pepper.
Place the sautéed vegetables and soft tofu into an oven-safe dish.
Top with tomato sauce and mozzarella cheese.
Bake at 180°C for 10-15 minutes until the cheese melts.