A sauce of caramelized onion, portobello mushrooms, green peppers, garlic and red wine to top a bed of linguine. Served with grated parmesan cheese and toast… Question by Casper Blake: Why is my tomatto sauce red? OK Ive ben wondring for a while why the sauce on my pizza is a red color. Is it becase they dye it red? Is the sauce moldy or spoled or somethin??? PLese please answer me!!! I need to know this for a very spefic reson Best answer: Answer by Prof Ltomatoes are red, and the key ingredient in… Read Article →