It's a sweet pepper often used as a stuffing for green olives.
It is a large, sweet, heart-shaped, red chili pepper. They are commonly used to stuff green olives and to make pimento cheese.
Pimentos trees are native to tropical regions of the West Indies, Central America and South America. For more information on Pimentos http://www.onestopsolver.com/what-is-allspice.html
It is a green bell pepper that is left in the sun to ripen & turns red.
Canned (or jarred) roasted red sweet peppers work just fine!
They use a machine. See the Related Links for more information.
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