For the tomato sauce: Grab your favorite large pot and sauté onion in olive oil and butter for 5 minutes or until softened.
For the chicken: Preheat oven to 375 degrees.
The first dish, combine flour salt and pepper, the second dish the beaten egg and the third bowl breadcrumbs mixed with parmesan cheese and spices.
For the chicken parmesan: Once all the chicken is cooked, remove excess oil from the pan and add 1/2 cup of sauce, or more to the bottom of the pan until it is covered.