Separate the cabbage leaves and rinse under running water.
Finely chop the chicken breast.
Mince the onion and garlic.
Heat olive oil in a pan and sauté the minced onion and garlic.
Add the chopped chicken breast and cook thoroughly.
Pour in the tomato sauce and simmer over low heat.
Blanch the cabbage leaves in boiling water.
In a baking dish, layer cabbage, sauce, and cheese in sequence.
Bake in the oven at 200°C for 20 minutes.