Answer:
Ketchup's slightly less popular brother.
This food is a white meat, that often goes with salad. It's poultry
Squeeze it and it cries tears. As red as its flesh, but its heart is made of stone.
This toasted sandwich is made with bacon, lettuce and tomato
This Mexican dish is a type of flatbread made of crushed flour or cornmeal and is cooked and then enjoyed hot or cold. It is used especially in making quesadillas.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?