Caramelized Onion and Mushroom Omelette

Caramelized Onion and Mushroom Omelette

Welcome to omelette recipes, where today I will be sharing with you a delicious recipe for caramelized onion and mushroom omelette. This dish is perfect for a hearty breakfast, lunch, or even dinner. The combination of tender mushrooms with sweet caramelized onions makes for a savory and satisfying omelette that is sure to impress. Plus, it’s easy to make and customizable to your taste preferences. So, let’s dive into this mouthwatering recipe and get cooking! We’ve made this caramelized onion and mushroom omelette easy to follow 👨‍🍳.

caramelized onion and mushroom omelette ingredients


  • 3 eggs
  • 1/2 cup sliced mushrooms
  • 1/2 cup sliced onion
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • Salt and pepper to taste
  • Optional toppings: chopped fresh herbs, shredded cheese


  1. Crack the eggs into a small mixing bowl and whisk them together until they are beaten well. Add salt and pepper to the eggs and stir.
  2. Heat a non-stick skillet over medium heat, then add olive oil and butter. When the butter has melted, add sliced onions and mushrooms to the skillet. Cook for about 10 minutes, stirring occasionally, until the vegetables are caramelized. Remove the vegetables from the skillet and set them aside.
  3. Add the beaten eggs to the skillet and let cook for about 30 seconds.
  4. Using a spatula, gently lift the edges of the omelette and allow the uncooked eggs to flow to the edges of the pan. Repeat this process a few times until the omelette is mostly cooked but still slightly runny on top.
  5. Once the eggs are mostly cooked, spoon the caramelized onions and mushrooms over one half of the omelette.
  6. Slide the spatula under the other half of the omelette and gently fold it over the caramelized onions and mushrooms.
  7. Cook the omelette for an additional 30 seconds to a minute until the eggs are cooked through.
  8. Slide the omelette onto a plate and serve hot with your desired toppings.
  9. Enjoy your delicious caramelized onion and mushroom omelette!

caramelized onion and mushroom omelette

How long does caramelized onion and mushroom omelette last in the fridge?

Caramelized onion and mushroom omelette can be stored in the fridge after cooking for up to 4 days. It is important to let the omelette cool down completely before storing it in an airtight container or covering it tightly with plastic wrap. Before reheating, make sure to remove the omelette from the fridge and allow it to come to room temperature for about 10-15 minutes. Reheat the omelette on low heat on the stove or in the microwave until it is heated through. Do not leave the omelette at room temperature for more than 2 hours as it can lead to bacterial growth and spoilage.

Low calorie caramelized onion and mushroom omelette substitutions

To make this caramelized onion and mushroom omelette lower in calories, some substitutions can be made. Instead of using 1 tablespoon of butter and 1 tablespoon of olive oil, you can use cooking spray to coat the skillet, or use only 1/2 tablespoon of butter and 1/2 tablespoon of oil. Additionally, you can use egg whites instead of whole eggs to reduce the calorie and fat content. You can also reduce the amount of cheese used or omit it altogether as a topping. Using non-fat or low-fat cheese can also be a good substitution. Finally, you can add some vegetables, such as spinach or bell peppers, to bulk up the omelette without adding many calories. Overall, these substitutions can help reduce the calorie content of the omelette without sacrificing taste and nutrition.

What to serve with caramelized onion and mushroom omelette?

You can serve a variety of sides with a caramelized onion and mushroom omelette. Some great options include roasted potatoes, sliced avocado, fresh fruit, green salad, or toasted bread. Roasted asparagus, sautéed spinach, and a side of bacon or sausage can also be fantastic complements to this savory dish. Ultimately, the choice of side dishes will depend on your preferences and dietary restrictions, but these options are sure to satisfy your appetite and add some variety to your meal.

Whats the best sauce for caramelized onion and mushroom omelette?

A sauce that would complement the flavors of caramelized onion and mushroom in an omelette would be a creamy hollandaise sauce. The richness of the hollandaise sauce would balance perfectly with the earthy taste of mushrooms and the sweetness of caramelized onions. A hollandaise sauce is also easy to make with a few simple ingredients and can add a touch of elegance to the omelette. If you want to make it even more interesting, you can add some herbs or spices to the hollandaise sauce to enhance the flavor profile. Overall, a hollandaise sauce would be the perfect sauce for caramelized onion and mushroom omelette.

Caramelized onion and mushroom omelette health benefits

Caramelized onion and mushroom omelette is not only delicious but also packed with nutrients that can offer numerous health benefits. Mushrooms are a great source of protein, fiber, vitamins, and minerals such as potassium, selenium, vitamin D and B vitamins. They also contain antioxidants that help prevent cell damage and boost the immune system. Onions, on the other hand, have anti-inflammatory properties and are rich in antioxidants and prebiotic fibers that support gut health and lower the risk of heart disease. The combination of caramelized onions and sautéed mushrooms is a great way to sneak in more nutrient-dense foods into your diet while enjoying a tasty and satisfying meal.





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