Rosemary Roasted Onions Recipe

Transform ordinary onions into irresistible, caramelized gems with this easy rosemary roasted onion recipe! These sweet and savory onions, roasted to golden perfection, are incredibly versatile. Use them as a delightful side dish, a flavorful pizza topping, a gourmet omelette filling, a fantastic hot sandwich addition, or unleash your culinary creativity and invent your own delicious creation! Share your culinary masterpieces with us!

Prep Time 15 mins
Cook Time 90 mins
Calories 128.3 kcal
Protein 3g
Rating Be the first
Rosemary Roasted Onions 41

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Rosemary Roasted Onions

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How to Make Rosemary Roasted Onions

  1. Preheat oven to 400°F (200°C).
  2. In a large roasting pan, combine 2 large yellow onions, thinly sliced, with 2 tablespoons olive oil, 1 teaspoon dried rosemary, 1/2 teaspoon salt, and 1/4 teaspoon black pepper.
  3. Toss gently to coat the onions evenly with the oil and seasonings.
  4. Roast for 60-75 minutes, stirring occasionally, until the onions are deeply caramelized and golden brown. The exact time will depend on your oven and how thinly you sliced the onions.
  5. Remove from oven and let cool slightly before serving or using in your favorite recipes.

Nutrition Information (Approximate per serving)

Sodium

12 g

Sugar

25g

Fat

4g

Carbs

5g

Frequently Asked Questions

How long does it take to make Rosemary Roasted Onions?

Rosemary Roasted Onions takes about 105 minutes from start to finish — roughly 15 minutes to prepare and 90 minutes to cook.

How many calories are in Rosemary Roasted Onions?

Rosemary Roasted Onions has approximately 128.3 calories per serving, with about 3 g protein, 5 g carbohydrates and 10 g fat.

What ingredients do I need for Rosemary Roasted Onions?

The key ingredients for Rosemary Roasted Onions are Onions, Garlic Cloves, Olive Oil, Fresh Rosemary, Salt, Fresh Ground Pepper. See the full list with measurements above.

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