Chicken Gratinated with Mozzarella and Baked Tomato: A Comforting and Fragrant Dish

4 chicken fillets
400 g crushed tomatoes
1 finely chopped onion
2 cloves of crushed garlic
1 tablespoon of olive oil
1 teaspoon dried basil
150 g grated mozzarella
Salt and pepper
Basil leaves to garnish

Instructions :

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