Peppers fall into two basic categories: sweet and hot. Sweet peppers can be green, red, orange, yellow, or purple. Green ones are actually unripe and have a stronger flavor. Hot peppers range from relatively mild poblanos to astoundingly hot habañeros.

Nutrients: Vitamins A, B6, C, K; anthocyanin antioxidants (red and purple varieties), lutein and zeaxanthin antioxidants (green and yellow varieties); fiber.