Sweet Peppers is a term used to describe peppers that are not “hot” or “spicy.” Instead, their tastes range from mild to sweet.
The best-known of these are the Bell Peppers.
Other types of Sweet Peppers include Pimientos, Banana Peppers, Cubanelles, Romano and Bull’s Horns.
Sources
Clay, Xanthe. Savoury dishes with sweet peppers. London: Daily Telegraph. 12 August 2009.