It depends greatly on what you are making. They are two very different flavors and different consistencies. Ragu is an Italian sauce for spaghetti, lasagna and perhaps pizza. Salsa is a chunky mix of vegetables with Mexican/Spanish flavoring. Ragu tends to be fairly smooth while salsa is chunky. You could use them interchangeably, but the flavor and texture are going to be very different.
Because salsa means sauce.
Tomato sauce.... Ketchup, and salsa. I believe cocktail sauce does too.
It tastes good
use your mind calm down and do it
Yes, most people actually prefer marinara.
It can ... or it cannot. Depends on who is making the pizza and sauce. Some people use garlic, others do not as a seasoning.
2,187,500
Try folding the pizza slice, then try eating it..
Not that I know of. I have never heard of peanut butter pizza. But I am sure you can make it. Instead of using pizza sauce you can use peanut butter.
they needed the ingredents dough sauce cheese and pepperoni to make their pizza
Pacchetti di Pollo con Mozzarella e Salsa di Pomodoro