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Roasted Onions

Roasted Onions

Vegetable

Caramelized to perfection, roasted onions are a sweet, savory addition to any dish.

🔥 Naturally sweet when roasted
💚 Low in Calories
🌱 Plant-Based

What is a Roasted Onions?

Onions are a bulb vegetable that belong to the Allium family, which includes garlic, shallots, and leeks. Originally cultivated in Central Asia, they come in several varieties such as yellow, red, white, and sweet onions. Roasting brings out their natural sugars and creates a flavorful caramelization.

Roasted onions have a meltingly soft texture and a rich, sweet flavor that balances savory dishes. They can be eaten on their own as a side or used as a topping for salads, sandwiches, or roasted meats. Their versatility makes them a staple in cuisines worldwide.

Nutritionally, onions are low in calories but high in antioxidants, particularly quercetin, which has anti-inflammatory properties. They also provide small yet beneficial amounts of vitamins such as vitamin C and B6, as well as minerals like potassium.

Nutrition Highlights

40
Calories
per 100g
9g
Carbohydrates
per serving
1.7g
Fiber
per serving
7mg
Vitamin C
12% DV
150mg
Potassium
per serving

These values are based on a standard serving size. Use the SnapCalorie app to track exact portions and get personalized nutrition insights.

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Health Benefits of Roasted Onionses

❤️

Supports Heart Health

Onions contain antioxidants and sulfur compounds that may help reduce blood pressure and cholesterol levels, promoting cardiovascular health.

  • Rich in Quercetin
  • Rich in Potassium
🛡️

Enhances Immune Function

The vitamin C and phytochemicals in onions bolster the body's immune system by supporting white blood cell function and reducing inflammation.

  • Rich in Vitamin C
  • Rich in Antioxidants
🌿

Supports Gut Health

Roasted onions are a source of prebiotic fiber, which fuels healthy gut bacteria and aids digestion by improving bowel movements.

  • Rich in Fiber
  • Rich in Fructooligosaccharides
🔥

May Help Reduce Inflammation

Onions contain compounds such as quercetin that combat oxidative stress and inflammation, potentially aiding in chronic disease prevention.

  • Rich in Quercetin
  • Rich in Sulfur Compounds

Diet Compatibility

Is Roasted Onions suitable for your diet? Here's what you need to know:

Vegan: Naturally plant-based and versatile
Keto: Low in net carbs (7g per serving)
Gluten-Free: Contains no gluten naturally
Paleo: Whole food suitable for Paleo
Low-Carb: Moderate carb content, fine for low-carb diets in small portions

🍽️ How to Enjoy Roasted Onionses

Breakfast

Add to scrambled eggs or frittatas

Tip: Pair with fresh herbs and a sprinkle of cheese

Lunch

Incorporate into grain bowls or sandwiches

Tip: Slice thinly and drizzle with balsamic glaze for extra flavor

Dinner

Serve alongside roasted meats or stir into pastas

Tip: Season with thyme or rosemary during roasting for savory depth

Snack

Use as topping for bruschetta or crackers

Tip: Combine with creamy dips or spreads for contrast

✅ The Bottom Line

Roasted onions are a flavorful addition to meals, offering a sweet taste and versatile use in both savory and sweet recipes. Packed with antioxidants like quercetin and moderate amounts of fiber and vitamin C, they provide modest health benefits.

Enjoy roasted onions in a variety of ways, from breakfast dishes like frittatas to dinner sides with roasted meats. Their natural caramelization makes them an appealing ingredient that enhances any meal while supporting heart and gut health.

Data Sources & Scientific References

Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability.

  1. USDA FoodData Central - Comprehensive nutrient composition data
  2. FDA Nutrition Facts Label - Daily value percentages and guidelines
  3. NIH Office of Dietary Supplements - Nutrient recommendations and health information
  4. Dietary Guidelines for Americans - Evidence-based nutritional guidance

About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.