Caramelized Parmesan Onions
Transform simple ingredients into a decadent, flavor-packed side dish with this recipe for Caramelized Parmesan Onions. Perfectly golden, slow-cooked onions are the star of this dish, enhanced with a touch of sugar to deepen their natural sweetness and a sprinkling of grated Parmesan cheese for a savory finish. A hint of fresh thyme adds an optional aromatic twist, while butter and olive oil work in harmony to create a rich, velvety texture. Ideal as a side dish, burger topping, or even a simple appetizer, these caramelized onions are a versatile favorite that pairs beautifully with any meal. Ready in just 45 minutes with a handful of pantry staples, you'll love the irresistible combination of sweet, savory, and cheesy flavors in every bite.
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Recipe Information
Ingredients
- 4 large Yellow onions
- 3 tablespoons Unsalted butter
- 2 tablespoons Olive oil
- 1 teaspoon Granulated sugar
- 0.5 teaspoon Salt
- 0.25 teaspoon Black pepper
- 1 teaspoon Fresh thyme leaves (optional)
- 0.5 cup Parmesan cheese (grated)
Instructions
Peel and slice the onions into thin, even rings or half-moons depending on preference.
In a large skillet, heat the butter and olive oil over medium heat until melted and combined.
Add the sliced onions to the skillet and stir to coat them evenly in the butter and oil mixture.
Sprinkle the sugar, salt, and black pepper evenly over the onions and stir gently. The sugar helps enhance the caramelization process.
Set the heat to medium-low and cook the onions, stirring occasionally to prevent burning, for about 25-30 minutes. Adjust the heat as needed to ensure slow, even caramelization.
Once the onions turn a deep golden-brown color, stir in the fresh thyme leaves (if using) for added flavor.
Sprinkle the grated Parmesan cheese evenly over the onions in the skillet. Stir gently until the cheese melts and combines with the onions.
Remove from heat and transfer the caramelized Parmesan onions to a serving dish.
Serve warm as a side dish, topping, or appetizer. Enjoy!
Nutrition Facts
Calories |
326 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 23.9 g | 31% | |
| Saturated Fat | 12.0 g | 60% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 41 mg | 14% | |
| Sodium | 702 mg | 31% | |
| Total Carbohydrate | 16.3 g | 6% | |
| Dietary Fiber | 2.6 g | 9% | |
| Total Sugars | 7.4 g | ||
| Protein | 13.1 g | 26% | |
| Vitamin D | 0.4 mcg | 2% | |
| Calcium | 366 mg | 28% | |
| Iron | 0.4 mg | 2% | |
| Potassium | 242 mg | 5% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
