1. Types of Onions
There are several types of onions. Yellow onions are ideal for cooking and can range from mild to strong tasting. Red onions are good for salads and sandwiches. White onions are also good for a variety of foods and range from sweet to hot. White and yellow onions are the best for cooking; they seem to hold their flavor and texture longer. Green onions and chives are used in dips, sauces, and as garnishes to add both color and flavor.
2. Nutrients in Onions
Onions are bulbs and come from the root family of vegetables, along with beets, potatoes and radishes. They are very starchy and, because of this, are high in complex carbohydrates. Onions have minor amounts of plant protein, calcium, iron, folic acid and Vitamins C, E, and A (green onions have the most vitamins). There are also trace amounts of selenium and zinc. As with any vegetable, cooking for long periods of time will reduce the nutritive value of onions. So, when possible, eat raw in salads and other dishes. They come in a variety of flavors that make the onion one of the most versatile of foods.
3. Different Forms
Onions can be found in a variety of shapes and sizes. You can buy them whole, chopped or sliced. You can also buy onion powder, onion salt or onion flakes. One thing to keep in mind when buying onion salt, if you buy a knock-off brand it will usually be more salt than onion powder. Look for a brand that says "all natural" or "organic." Natural brands tend to use more onion and less salt. In some cases, natural brands are also somewhat cheaper.
4. Pick the Perfect Onion
When buying onions, look for ones that are firm. If they are soft, they are probably too ripe and will not slice well. Onions that have been allowed to sprout are also probably on the ripe side. One way to tell is, when you slice them take a good look at the juice. If it's clear, it's probably just right. If the juice looks milky, it's best to just get a new one.
5. Don't Cry!
When slicing or chopping an onion, wet your knife often. It will not eliminate the tears, but it will reduce them to a certain extent. For those that love the many flavors of this popular vegetable, onions are definitely worth any tears shed over their preparation.
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