Southern Tennessee Onions Casserole Recipe - Easy (2024)

FAQs

What kind of onion is a Vidalia onion? ›

The Vidalia is a type of sweet yellow onion. They're different from other types of yellow onions because of their high sugar content and low sulfur content. Most onions contain about 5 percent sugar, while Vidalias contain a whopping 12 percent.

Yellow onions are perfect for stews, soups, barbecues, roasts and sauces. Avoid eating them raw as they have a strong flavour.

When you are sauteing onions to build flavor as a base for your dish (soup, tomato sauce, you name it), the yellow onion is your friend. That being said, white onions are a totally acceptable substitute for yellow, especially if you're cooking them.

Sweet Onions – Walla Walla and Vidalia are the most common kinds of sweet onions. These onions lack the sharp, astringent taste of other onions and really do taste sweet.

It's a matter of terroir, he explains. And the Walla Walla soil and growing conditions give that onion a more complex flavor profile "that tells you that this is an onion," he says. The Vidalia may be milder or sweeter, but to Dean, flavor makes the winner.

Substitutes for Vidalia Onions

There are many other types of sweet onions available, including Walla-Walla (after the city in Washington State) and Texas Sweets, and these can easily be used in any recipe calling for Vidalia Onions.

Vidalia, Walla Walla, Cipollini varieties are inherently sweet onions. These varieties have become extremely popular and for good reason. They are good cooked but they are very mild and are excellent eaten raw.

White onions are probably the strongest-tasting onion on this list. They're typically used in Asian and Mexican dishes, as well as potato and macaroni salads. You can also sauté them, making them ideal for French onion soup or any other food in which you want to add sweet or sour flavor.

Yellow onion – Onion adds great earthiness to the lasagna and is a classic addition to marinara sauce. You could also use some shallot if you prefer. Garlic – Fresh garlic is beautiful in lasagna. Feel free to use as little or as much as you like.

Only found in red or purple onions, anthocyanins are powerful antioxidants and pigments that give these onions their reddish color. Quercetin. An antioxidant flavonoid, quercetin may lower blood pressure and improve heart health ( 19 , 20 ).

What onions do Mexican restaurants use? ›

If you love Mexican food, this is your go-to onion. With a bite that doesn't linger for too long, they add an onion-y brightness without overpowering other flavors. White onions are delicious when used raw—especially in salsa, salads, or sprinkled on tacos as a garnish.

Red onion. Yes, Red onion. Red onions have numerous benefits for your hair like growth, hair loss control and lots more. You are probably wondering how an onion – a common kitchen staple – can be used in hair and can in fact, be beneficial.

Even though onions are freezer-friendly, stick to using them in cooked dishes rather than salads, because their texture will inevitably be different. Frozen onions will retain their flavor for 3-6 months — they're likely still good past that, but they won't be as potent.

At the grocery store they're likely labeled by color (white, yellow, and red), but at a farmers market, you may see proper names, like Australian Browns or Red Zeppelins. In terms of pungency, white are generally the mildest, red the sharpest, and yellow somewhere in between.

White Onions

These onions are slightly sweeter, a bit milder in taste than yellow onions. They're a good choice for dicing and serving raw on sandwiches and salads or in fresh salsas.

The sweet onions remained a mostly local secret until the 1940s. In that decade, according to the University of Georgia, Earle Jordan planted the yellow granex onion, a hybrid of the Bermuda and Grano onions developed by Henry Jones of Texas A&M. It was this onion that eventually became the famous Vidalia onion.

Vidalia onions can only be grown in Georgia.

According to the Vidalia Onion Act of 1986, there are only 20 counties in the United States that are allowed to grow Vidalia onions and sell them under the trademarked name. All of them are in Georgia, centered around the small town of Vidalia, GA.

Shallots are a member of the allium family (Allium cepa var., if you took Latin in high school). Its relatives include yellow onions, red onions, white onions, spring onions, Vidalia onions, garlic, leeks, chives, and scallions (a.k.a. green onions).

If you find an onion with the long greens still attached (mostly in spring), don't throw those greens away! They have a lovely mild onion flavor and you can use them just as you would use a scallion. Chop them up and mix them with Neufchâtel cream cheese to spread on a cracker or add them to fresh salsa.