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Home Appetizers Roasted Onions

Roasted Onions

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By Jonathan PorterAug 18, 2024Jump to Recipe

Add a touch of caramelized perfection with this simple and adaptable recipe!

Roasted Onions

Table of Contents

  • Are Roasted Onions Healthy?
  • The Maillard reaction…
  • INGREDIENTS
  • INSTRUCTIONS
  • FAQs & Tips
  • Serving Suggestions
  • Roasted Onions

Despite my picky palate, onions were my favorite pizza topping as a child. Not sausage, pepperoni, or plain cheese—onions. Needless to say, none of my friends wanted a slice. Boy, were they missing out! These days, I prefer my onions sans pizza.

Roasted onions are a delightful addition to any meal, offering a rich, caramelized flavor that pairs well with a variety of dishes. That high oven heat brings out the onions’ natural sugars, so you get a slightly sweet and tender side dish. And to think all this deliciousness comes from the simple yellow onion. 

While you’re making these, you could always try out some of FFF’s other simple and tasty sides, too. Take these Garlic Brussels Sprouts for example, or maybe the best Honey-Glazed Carrots recipe that you’ve ever tried!

Are Roasted Onions Healthy?

Considering the only fat used in this recipe is olive oil, I’d say yes, you bet it’s healthy! For such an inexpensive vegetable, onions are loaded with health benefits. For one, they’re high in vitamins like C and B. Plus, they contain a decent amount of essential minerals. In fact, the antioxidants in onions may help reduce inflammation and lower the risk of other chronic diseases, too.

The Maillard reaction…

Ever heard of the Maillard reaction? That’s okay. I hadn’t either until fairly recently. But I bet you’re already familiar with what it is. Basically, the Maillard reaction is when the onions, amino acids, and reducing sugars get exposed to high heat. The result is a surprisingly complex, rich flavor. The process ups the savory-sweet taste of the onions. And by the way, this isn’t exclusive to onions. Everything from meats to marshmallows benefits from the Maillard reaction! Pretty cool, huh? Yay, science!

INGREDIENTS

  • 4 medium yellow onions
  • 2 tablespoons olive oil
  • 1 teaspoon sea salt
  • 1/2 teaspoon black pepper
Roasted Onions

INSTRUCTIONS

Preheat

Set oven to 425°F.

Prepare

Peel and cut onions, place on baking sheet.

Roast

Drizzle with oil, season, and roast until tender.

Devour!

Roasted Onions

FAQs & Tips

How to Make Ahead and Store

I prefer making this dish fresh, but you can store it in the fridge for up to 5 days. As always, use an airtight container. 

Can I use other types of onions for this recipe?

Yes! Of course, it’s going to taste different though. For example, red onions will give you a slight bitterness even after being caramelized.

How do I prevent my onions from burning?

Two things: You need to cut the onions into uniform sizes and then arrange them in a single layer on your baking sheet. Okay, there’s a third thing: I’d also check the onions about halfway through roasting. You may need to move them around so you get an even roast. After all, every oven roasts differently!

Roasted Onions

Serving Suggestions

As I mentioned before, these onions make a great topping for Gourmet Pizzas! And if you’re a brisket fan, roasted onions and Herb-Roasted Potatoes are the perfect side dish. They’re also a delicious garnish for Instant Pot Steaks and Air Fryer Roasted Chicken. Heck, I’ve even tossed them in with Angel Hair Pasta!

Roasted Onions

Recipe

Roasted Onions

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Serves: 4 servings
Roasted Onions
Prep: 10 minutes minutes
Cook: 30 minutes minutes
Total: 40 minutes minutes

Ingredients

  • 4 medium yellow onions
  • 2 tablespoons olive oil
  • 1 teaspoon sea salt
  • 1/2 teaspoon black pepper

Instructions

  • Preheat your oven to 425°F (220°C).
  • Peel the onions and slice off the ends. Cut into halves or quarters, depending on size.
    Roasted Onions
  • Arrange the onion pieces on a baking sheet lined with parchment paper.
    Roasted Onions
  • Drizzle olive oil over the onions and sprinkle with sea salt and black pepper.
  • Roast in the preheated oven for 25-30 minutes, or until onions are tender and edges are caramelized.
    Roasted Onions

Nutrition Info:

Calories: 107kcal (5%) Carbohydrates: 10g (3%) Protein: 1g (2%) Fat: 7g (11%) Saturated Fat: 1g (6%) Polyunsaturated Fat: 1g Monounsaturated Fat: 5g Sodium: 586mg (25%) Potassium: 164mg (5%) Fiber: 2g (8%) Sugar: 5g (6%) Vitamin A: 4IU Vitamin C: 8mg (10%) Calcium: 27mg (3%) Iron: 0.3mg (2%)

Nutrition Disclaimer

Recipes written and produced on Food Faith Fitness are for informational purposes only.

Author: Jonathan Porter
Course:Side Dish
Cuisine:American
Share your creationsTag @foodfaithfit and hashtag it #foodfaithfitness so I can see what you made!
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Jonathan Porter

About Jonathan Porter

Voracious writer and recipe conjurer who loves cooking up food as much as words.

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