Remove the shells and veins from the shrimp and wash them thoroughly.
Pat the tofu dry with a kitchen towel, then cut it into bite-sized pieces.
Finely chop the onion and bell peppers.
Heat olive oil in a pan, then sauté the shrimp and vegetables.
Add the tofu and stir-fry lightly.
Season with salt and pepper.
Put the stir-fried ingredients and cheese in an oven-safe dish.
Bake in a preheated oven at 200°C (392°F) for 10 minutes.