Foodservice Guide to Onions

Onions for All Seasons & Tastes

Onions can be divided into two categories: spring/summer fresh onions and fall/winter storage onions.

Spring/summer Fresh Onions
Spring/summer fresh onions are available in yellow, red and white throughout their season, March through August. Fresh onions can be identified by their thin, light-colored skins. Because they have a higher water content, they are typically sweeter and milder than storage onions. This higher water content also makes them more susceptible to bruising.

With their delicate taste, fresh onions are an ideal choice for salads and other fresh and lightly-cooked dishes.

Fall/winter Storage Onions
Fall/winter storage onions are available August through April. Also available in yellow, red and white, storage onions have multiple layers of thick, dark, papery skins. Storage onions have an intense flavor and a higher percentage of solids.

Storage onions are the best choice for savory dishes that require longer cooking times or more flavor.

The Color of Onions
Onions come in three colors - yellow, red and white. Approximately 87 percent of the onions produced in the United States are yellow, with about 8 percent red onions and 5 percent white onions.

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Onions for All Seasons & Tastes
Domestic Onion Production
Onion Tips
Packaging
Handling and Storage
Onion Receiving Tips
Food Safety
Onion Sizing Chart
Onions for Your Health

Foodservice Onion Recipes
Downloadable Files

Domestic Onion Production

Spring/summer Fresh Onion Availability

Area Trade Name Production Features
TEXAS   

Rio Grande Valley & Winter Garden

SuperSweet®, Texas Spring Sweet®, & Texas 1015 SuperSweet®

March - July

 
West & High Plains   June - August  
GEORGIA   
Vidalia Vidalia® Onions April - June CA Storage July - November
ARIZONA   
Arizona Grand Canyon Sweets™ May - June  
HAWAII   
Maui Maui® Sweets
Kula® Sweets
Year Round Limited Mainland Availability
Oahu Hawaiian Hula Sweets™ March-October  
WASHINGTON
Walla Walla Walla Walla Sweets® June - August  
NEW MEXICO   
New Mexico Nu-Mex Sweets June - August  
South Central Carzalia Sweets    
CALIFORNIA   
Desert Valleys Sweet Imperials™ April - June  
San Joaquin Valley   May - August  
Coastal Valleys   June - September  
COLORADO   
Colorado   July - September  
NOTE: Various limited production spring/summer fresh "sweet" onions are available on a seasonal basis from other locations including, but not limited to, California, Colorado, Michigan, New York, North Carolina, Oregon, and Washington.

Fall/winter Storage Onion Availability

Area Trade Name Production Features
CALIFORNIA

California Southern High Desert Valleys


September - March

 
NEVADA
Nevada   September - March Mostly Whites
NEW YORK
New York   August - May Mostly Mediums
MICHIGAN
Michigan   September - March Mostly Mediums
OHIO
Ohio   August - April All Sizes
MINNESOTA, NORTH DAKOTA, WISCONSIN
Minnesota, North Dakota,Wisconsin   September - March  
ILLINOIS, INDIANA, IOWA, SOUTH DAKOTA
Illinois, Indiana, Iowa, South Dakota   September - March Limited Production
IDAHO - EASTERN OREGON
Idaho - Eastern Oregon Idaho-Eastern Oregon Spanish Onions™ August - April Large Size
WEST/CENTRAL OREGON
West/Central Oregon   August - April  
WASHINGTON
Washington   July - May  
COLORADO
Colorado   August - April  
UTAH
Utah   August - March  
NEW MEXICO
New Mexico   September- December Limited Production

Onion Tips

Onions have long been a staple for foodservice operators. They are used in a wide range of ethnic cuisines as well as traditional American fare. From soups and sandwiches to appetizers and salads, onions add color, texture and flavor to menus.

Onion Preparation Tips
Prepare onions as close to cooking or serving time as possible. An onion's flavor deteriorates and its aroma intensifies over time.

Refrigerate onions 30 minutes before preparation to prevent tearing.

To remove the smell of onions, rub hands and equipment with lemon juice or salt.

Store your onions in a cool, dry ventilated place-not in the refrigerator. Lack of air movement reduces storage life.

Chopped or sliced onions can be stored in a sealed container in your refrigerator for up
to 7 days.

High heat makes onions bitter. When sautéing onions, always use low or medium heat.

Cooking With Onions
The taste and texture of onions varies greatly depending on their preparation. Onions can be braised, boiled, steamed, baked, sautéed, fried or grilled.

Sautéing onions softens their texture and enriches their taste. Onions can be heated in broth or wine instead of butter or oil to lower the fat content.

Yellow onions turn a rich, dark brown when cooked and give French Onion Soup its tangy sweet flavor. White onions are traditionally used in Mexican cuisine. They have a golden color and sweet flavor when sautéed. The red onion is a good choice for fresh uses, grilling and charbroiling.

Packaging: Dry Bulb Onions
Bags
2, 3, 5, 10, 25 and 50 lb.
Cartons
40 and 50 lb.
Processed
Fresh Onions
Whole Peeled, Diced, Rings, Whole Sliced, Stir-fry, Slivered, and Ready-to-Bloom

various packaging sizes available depending on purchasing specifications
Processed
Frozen Onions
(IQF)
Diced, Strips, and Rings

various packaging sizes available depending on purchasing specifications

 

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Onion Handling and Storage Attributes

Attributes
Spring/summer Fresh Onions
Fall/winter Storage Onions
Storing Ability
Typically not stored, unless under controlled atmosphere or refrigeration
Designed specifically to withstand long periods of storage
Storage Shelf-life
30 – 60 days
30 –180 days
Retail Shelf-life
30 days or less
Temperature
Room temperature – Dry storage
Humidity
Keep in a dry, well ventilated place
Freezing Injury
Moderately sensitive. Highest freezing point = 30.6° F or -0.8°C
Hardier than other varieties. Highest freezing point = 30.6° F or -0.8°C
Odor Sensitivity
Odors will be absorbed by apples, celery and pears.  Will absorb odors produced by apples and pears.
Sweetness
Sweet/mild to slightly pungent flavors
Varies from mild to very pungent
Aroma
Mild to slightly pungent
Mildly pungent to strong
Colors
Yellow, red and white
Exterior Shell
Thin, light colored skin
Multiple layers of thick, dark skin
Interior Onion Texture
Soft to medium
Medium to firm

Onion Receiving Tips

Make sure the number of bags or cartons delivered matches the delivery invoice and that the onions are the correct color and size ordered.

Onions should feel firm and dry but may have some loose outer skins.

Onions should be free of gray or black mold and should not have any visible sprouting.

Always handle onions with care. Do not drop onions as this often causes bruising and decay.

Store onions in a cool, dry, well ventilated area. Do not store onions in coolers.

Do not wrap onions in plastic or store in plastic bags. A lack of air circulation will reduce storage life.


Food Safety

Source: U.S. Food and Drug Administration Center for Food Safety and Applied Nutrition (www.cfsan.fda.gov) and Food Safety Information for Restaurants (www.foodservice.com).

All along the food chain, food safety experts work to keep food safe on the farm, through the processing plant, during transportation, and at the supermarket and restaurant. Every person involved with preparing food, whether for home consumption or foodservice, must do their part and follow the proper food handling procedures. For safe handling guidelines, see the following links.


Onion Sizing Chart

Super Colossal
4-1/2" and Up Yellow, Red, and White
Colossal
3-3/4" and Up Yellow, Red, and White
Large/Jumbo
3" and Up Yellow, Red, and White
Medium
2" to 3-1/4" Yellow, Red, and White
Pre-Pack
1-3/4" to 3" Yellow and White
Small
1" to 2-1/4" Yellow, Red, and White
Boiler
1" to 1-7/8"
Yellow and White
Creamer
Under 1"
Yellow and White


Onions for Your Health

Onions not only provide flavor -- they also provide health-promoting phytochemicals as well as nutrients.

Research shows that onions may help guard against many chronic diseases. That's probably because onions contain generous amounts of a flavonoid called quercetin. Studies have shown that quercetin protects against cataracts, cardiovascular disease and cancer.

In addition, onions contain a variety of naturally occurring chemicals known as organosulfur compounds that have been linked to lowering blood pressure and cholesterol levels.

Nutrition Per Serving of Onions
Onions are low in calories yet add abundant flavor to a wide variety of foods. With only 45 calories per serving, onions are fat and cholesterol free, very low in sodium, high in vitamin C, and a good source of fiber and other key nutrients.

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Onion Nutrition Facts
1 Medium Onion (148 g)
Percent Daily Values*
Calories 45  
Total Fat 0 0%
Cholesterol 0 0%
Sodium 5 0%
Total Carbohydrate 11g 4%
Dietary Fiber 3g 12%
Sugars 9g  
Protein 1g  
Vitamin A 0g 0%
Vitamin C 11.8mg 20%
Vitamin b6 0.01g 5%
Calcium 36.8mg 4%
Iron 0.6mg 4%
Folic Acid 15.2mcg 4%
Potassium 190mg 5%
Selenium 0.5mcg 1%
Zinc 0.2mg 1%
*Percent (%) Daily Values are based on a 2,000 calorie diet. Your Daily Values may be higher or lower depending on your calorie needs.


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National Onion Association