Tofu Gratin

Cut the tofu into bite-sized pieces.

Slice the vegetables such as onion and bell pepper.

Heat olive oil in a pan and sauté the onion and bell pepper.

Add the tofu to the pan and stir-fry together.

Season with salt and pepper.

Transfer the sautéed ingredients to an oven-safe dish.

Pour tomato sauce over and top with mozzarella cheese.

Bake in the oven and remove when the cheese is golden.