By hand or by using a food processor, mince the olives, parsley, parmesan, black pepper, jalapeno, garlic, and oil. Then make a 2 inch horizontal slit through each of the chicken breasts to create a pocket. Divid the stuffing between the four breasts. then brush flour over each piece.
Preheat oven to 400 degrees and spray a baking dish with cooking spray.
Add oil to a skillet and saute the stuffed breasts on all sides for about 5 minutes or until just starting to brown.
Combine the tomato sauce and basil and pour half of the mixture into the prepared baking dish. Cover with the chicken, pour the remaining sauce overtop of the chicken and spread evenly. Bake for 15 - 20 minutes or until the chicken is cooked, do not overcook. Garnish with basil.