Onions are just wonderful. Most culinary traditions around the world identify them as one of the essential ingredients used in cooking some of the most flavourful and sensational delicacies. From pastas, salads, pickles, stocks, sauces, dips and sandwiches to mouth-watering curries and much more - onion is that obvious ingredient that you will find in most dishes lending them a full-bodied character.
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There are many varieties of onions that grow in different parts of the world - white, red and even the yellow one. Each variant has unique characteristics that makes them really different from each other.
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Both red and white onions are quite similar to each other in terms of their texture, flavour and aroma. They have notes of mild sweetness coupled with a crunch that feels fresh on the palate.
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Culinary Usage: Red onions as well as the white ones are widely used in cooking and are eaten raw as well. While white onions find a dedicated place in Mexican cuisine, most European and Asian countries prefer the red ones owing their bright hue and their full-bodied flavour. Red onions are almost a staple in South East Asian countries like India, Pakistan and Bangladesh. These are regularly used in preparing the traditional curries. White onions, on the other hand, are always an essential in most French delicacies - the French Onion soup is one such dish.
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Nutritional Profile: There isn't any huge difference between the two types with respect to calories. Onions, in general, are low in calories and therefore, all types can safely be included in the diet. The nutritional profile of both types of onions remains more or less the same. Both contain almost the same amount fibre and other nutrients like flavonoids, Vitamin C, calcium, phosphorous and potassium.
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In the end, it depends on the type of dish you want to prepare and the flavour you seek to achieve. For most of us, a meal without a helping of onion slices along with a drizzle of lime juice and some salt and pepper atop - would be incomplete.
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