Cut the soft tofu into bite-sized pieces.
Finely chop vegetables such as onion, broccoli, and bell pepper.
Heat olive oil in a pan and sauté the vegetables.
Season with salt and pepper.
Place the soft tofu and sautéed vegetables in an oven-safe dish.
Mix milk, egg, salt, and pepper to make the sauce.
Pour the sauce over the tofu and vegetables.
Top with mozzarella cheese.
Bake in a 180°C oven for 15 minutes.