Here's what you need:
2 Tablespoons of olive oil
4 Chicken filets
3 Thinly sliced, skinned, seeded tomatoes
2 cloves of crushed garlic
1 Tablespoon on of Balsamic vinegar oil
2 Tablespoons of brown sugar
Half an onion (Thinly sliced)
A couple of fresh shredded basil leaves
Heat the oil in a large frying pan, and cook the filets until cooked through, and browned on the sides.
Place the filets on some absorbent paper, and cover.
On the same pan, add the garlic and cook until soft; then add the sliced tomatoes, onion, vinegar and brown sugar. Cook, while stirring until the sugar has completely melted. Then, leave simmering for about 5 minutes or until the tomato-sauce thickens.
Serve the chicken with the sauce on top, spread a bit of basil over the sauce.
Can be served with rice, pasta or potatoes. Bon appetit !