Slice tofu into 1cm thick pieces.
Julienne the onion and bell pepper.
Heat olive oil in a pan and sauté the onion and bell pepper.
Add tomato sauce and simmer for 2 minutes.
Place tofu in an ovenproof dish, pour the sauce over, and top with cheese.
Bake in a 200°C oven for 10 minutes.
Sprinkle parsley powder to finish.