Sweet Onion Nutrition Facts

Calories, fat, protein, and carbohydrate values for Sweet Onion.


There are 106 calories in Sweet Onion.


Nutrition Facts
Sweet Onion
Serving Size:


onion (331 grams)

Amount Per Serving
Calories from Fat 2.4
Calories 106

% Daily Value*

Total Fat 0.3 grams

Trans Fat 0 grams

Cholesterol 0 milligrams

Sodium 26 milligrams

Potassium 394 milligrams

Total Carbohydrates 25 grams

Dietary Fiber 3 grams

Sugars 17 grams
Protein 2.6 grams

Vitamin A


Vitamin C





Percent Daily Values are based on a 2000 calorie diet.

Food / Beverages > Grocery > Vegetables (Shelf Stable) > Onions (Shelf-Stable)

How long would it take to burn off 110 KCal?
Walking (3mph) 29 minutes
Running (6mph) 10 minutes
Bicycling (10mph) 15 minutes
Values estimated based on person weighing 140 lbs.

Additional Information

Sweet onions are a popular and versatile vegetable known for their mild, sweet flavor and crunchy texture. They are a delicious addition to a variety of dishes, from salads and sandwiches to soups and stir-fries. In this expert article, we will explore the characteristics, benefits, and drawbacks of sweet onions.

Features of Sweet Onions

Sweet onions, such as Walla Walla, Maui, and Vidalia varieties, are distinguished from other onions by their unique characteristics:

  • Mild and sweet flavor: Unlike their pungent counterparts, sweet onions have a milder flavor profile with a natural sweetness. They lack the pungent, astringent flavor commonly associated with regular onions.
  • Crunchy texture: Sweet onions have a crisp and crunchy texture that makes them enjoyable to bite into, whether raw or cooked.
  • Color and Appearance: Sweet onions are typically white or yellow in color, and are often slightly squattier than yellow onions.

Benefits of Sweet Onions

Adding sweet onions to your diet can provide several health benefits:

  • Nutrient-rich: Sweet onions are a good source of essential nutrients, including vitamin C, vitamin B6, potassium and fiber.
  • Antioxidant properties: Sweet onions contain antioxidants such as quercetin, which may help protect the body from oxidative stress and reduce the risk of chronic disease.
  • Anti-inflammatory effects: Some studies suggest that the compounds found in sweet onions may have anti-inflammatory properties, which may contribute to overall health and well-being.
  • Heart Health: The combination of fiber and antioxidants in sweet onions may help promote heart health by lowering cholesterol and supporting healthy blood pressure.
  • Versatile Culinary Ingredient: Sweet onions are incredibly versatile in the kitchen. They can be used raw in salads and salsas, caramelized for a sweet and savory flavor, or incorporated into a variety of cooked dishes to add depth and flavor.

Disadvantages of sweet onions

While sweet onions offer many benefits, it’s important to be aware of a few drawbacks:

  • Short shelf life: Sweet onions have a shorter shelf life than regular onions. They spoil more quickly and should be stored properly in the refrigerator to maintain their freshness.
  • Limited availability: Sweet onions, especially specialty varieties such as Walla Walla and Vidalia, may have limited seasonal availability in certain regions. It’s best to check local markets or specialty stores for availability.

Despite these drawbacks, the unique flavor and nutritional value of sweet onions make them a worthwhile addition to your culinary repertoire.


Sweet onions are a delicious vegetable that adds a mild, sweet flavor and satisfying crunch to a variety of dishes. They offer numerous health benefits, including essential nutrients and antioxidant properties. While they may have a shorter shelf life and limited availability, their unique qualities and versatility in the kitchen make sweet onions a worthwhile choice for any food enthusiast. So the next time you’re looking to add a touch of sweetness to your meals, reach for a sweet onion and enjoy its delicious flavor and nutritional benefits.

Questions and Answers

What makes sweet onions different from regular onions?

Sweet onions, such as Walla Walla, Maui, and Vidalia varieties, have a milder and sweeter flavor than regular onions. They lack the pungent, astringent taste commonly associated with regular onions, making them more enjoyable to eat raw or cooked.

Are Sweet Onions Nutritionally Beneficial?

Yes, sweet onions offer several nutritional benefits. They are a good source of essential nutrients such as vitamin C, vitamin B6, potassium and fiber. They also contain antioxidants, such as quercetin, which have been linked to several health benefits, including reduced risk of chronic disease and anti-inflammatory effects.

Can I use sweet onions instead of regular onions in recipes?

While sweet onions can be used as a substitute for regular onions in many recipes, it’s important to note that their flavor and texture may be different. Sweet onions are milder and sweeter, so they may not provide the same level of heat and pungency as regular onions. However, if you prefer a milder onion flavor, sweet onions can be a great substitute.

How should I store sweet onions?

To maximize the shelf life of sweet onions, it’s best to store them properly. Keep sweet onions in a cool, dry, well-ventilated place, such as a pantry or basement. If you’ve sliced a sweet onion and have leftover portions, store them in an airtight container in the refrigerator for up to a few days.

What are some popular ways to use sweet onions in cooking?

Sweet onions are incredibly versatile in the kitchen. Here are some popular ways to enjoy them:
Raw in salads or salsas for a mild, sweet crunch.
Caramelized to bring out their natural sweetness and add depth to dishes like burgers, sandwiches or pizzas.
Sautéed or grilled as a flavorful addition to stir-fries, fajitas or kebabs.
Add to soups, stews and casseroles for added flavor and texture.
<P>Feel free to experiment and explore different cooking methods to find your favorite way to enjoy the delicious taste of sweet onions!