So many different ways of doing this, but this is a simple and easy one.
onion x 1
garlic cloves x 2
Tinned tomatoes x 2 by 400g
White wine (1/2 cup?)
Chicken breasts x 6
Basil
Olives
Fry the onion and garlic.
Add the tomatoes and cook until thick and glossy (about 10 mins)
You can add a bit of sugar to take away the acidity if you wish.
Stir in the wine.
Brown the chicken breasts in a separate pan.
Put chicken in the bottom of a casserole dish.
Pour over the tomato sauce
Add some shredded basil leaves and a few olives
Bake at 180 for about 20 mins.
Serve with fresh basil leaves scattered on top.