Capers are the edible flower buds that grow on the caper plant. Capote capers measure between 3- 7mm in diameter. Cured in brine. Capers are the edible flower buds that grow on the caper plant. These are traditionally eaten as appetizers. And that’s no surprise; despite their size, these green, round capers pack a big punch. Packed in brine, these are tangy and add an intense lemony, olive-y burst of flavor that’ll appeal to even the pickiest of eaters. Better still? Capers are guilt-free flavor enhancers-they’re low in calories, fat, and sugar. Beyond their low-calorie nature, these flavor bombs are also rich in antioxidants. Not to mention … Capers are mineral mines. They contain calcium, iron, and copper-minerals that are critical for optimal functioning!