If you're looking for unexpected flavors, like lemon or apricot, or extra heat in your chile peppers, it's time to explore the "other peppers." Ninety percent of pepper varieties, from bells to jalapenos, are the same species —Capsicum annuum.
Among the rest are smoky, fruity habaneros (C. chinese), fiery 'Tabasco' peppers (C. frutescens), citrus-like baccatums (C. baccatum) and pear-shaped rocotos (C. pubescens). Although these peppers are usually smaller than bell peppers, they pack their own special punch in terms of flavor and heat. Whether you want really fiery peppers or great flavors without the heat, you'll find lots of favorites among these four lesser-known species.
Read the entire Mother Earth News article on exotic peppers w/ flavor
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