Onion and Mushroom Omelette

Onion and Mushroom Omelette

Hello and welcome to another delicious recipe on omelette recipes! Today, we are going to take your breakfast game to a whole new level with our savory and satisfying onion and mushroom omelette. This recipe is quick and simple to make, yet the combination of hearty mushrooms and sweet caramelized onions creates a depth of flavor that is sure to impress. Whether you’re cooking breakfast for one or whipping up a brunch feast for friends, this onion and mushroom omelette is sure to become a new favorite. So let’s gather our ingredients and get cooking! We’ve made this onion and mushroom omelette easy to follow 👨‍🍳.

onion and mushroom omelette ingredients


  • 3 eggs
  • 1/4 cup diced onions
  • 1/4 cup sliced mushrooms
  • 1 tablespoon butter or oil
  • Salt and pepper to taste
  • Shredded cheese (optional)


  1. Heat a nonstick skillet over medium heat and add 1 tablespoon of butter or oil.
  2. Add 1/4 cup of diced onions to the pan and sauté for 2-3 minutes, or until they start to soften.
  3. Add 1/4 cup of sliced mushrooms to the pan and sauté for an additional 2-3 minutes, or until they are tender and lightly browned.
  4. Crack three eggs into a small bowl and beat them with a fork or whisk until they are well blended.
  5. Pour the beaten eggs over the onion and mushroom mixture into the pan.
  6. Use a spatula to gently move the egg mixture around the pan, making sure that it is evenly distributed.
  7. When the omelette starts to set and the edges begin to cook, use a spatula to gently lift the edges of the omelette and allow the uncooked eggs to flow to the bottom of the pan.
  8. When the top of the omelette is almost set, sprinkle shredded cheese over one-half of the omelette (if desired).
  9. Use the spatula to fold the other half of the omelette over the cheese, creating a half-moon shape.
  10. Let the omelette cook for an additional 30 seconds to 1 minute, or until the cheese is melted and the eggs are cooked to your desired doneness.
  11. Use the spatula to slide the omelette onto a plate and serve hot.
  12. Enjoy your delicious Onion and Mushroom Omelette!

onion and mushroom omelette

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

It is generally recommended to consume cooked eggs, including omelettes, within three to four days if stored in the fridge. However, for best quality and freshness, it is recommended to consume within 1-2 days. Make sure to store the omelette in an airtight container or tightly wrapped with plastic wrap to prevent it from drying out or absorbing odors from the fridge. When ready to eat, reheat the omelette thoroughly in the microwave or on the stove until it reaches an internal temperature of 165 degrees Fahrenheit.

Low calorie onion and mushroom omelette substitutions

To make this Onion and Mushroom Omelette recipe lower calorie, you can make a few substitutions. Firstly, you could use non-stick cooking spray instead of butter or oil to reduce the calorie content. Additionally, you could reduce the amount of cheese or skip it altogether to lower the calorie and fat content. Instead of using three whole eggs, you could use one whole egg and two egg whites to reduce the calorie and fat content while still providing protein. You could also use low-fat milk instead of whole milk when beating the eggs to further reduce the calorie content. Finally, adding some veggies like spinach or tomatoes can increase the nutritional value of the dish while keeping the calorie count low.

What to serve with onion and mushroom omelette?

A great side dish to serve with onion and mushroom omelette is a simple green salad. You can dress the salad with a light vinaigrette or serve it with a side of fresh fruit. The acidity and freshness of the salad will help balance out the richness of the omelette. Alternatively, you could serve some toasted bread or a side of roasted vegetables such as asparagus, bell peppers, or zucchini. These options will provide some additional nutrition and texture to the dish while still complementing the flavors of the omelette.

Whats the best sauce for onion and mushroom omelette?

For an onion and mushroom omelette, a classic French béchamel sauce would be a great accompaniment. The creamy and buttery flavor of the sauce would complement the earthy mushrooms and sweet onions in the omelette. Alternatively, a simple dollop of sour cream or crème fraîche would also work, adding a tangy and rich flavor to the dish. If you prefer a slightly tangier kick, a dash of hot sauce or salsa would also pair well with the omelette, particularly if you’re looking for something with a bit of heat. Overall, the best sauce for an onion and mushroom omelette would be one that enhances the dish’s flavors without overpowering them.

Onion and mushroom omelette health benefits

Onion and mushroom omelettes are a great source of nutrients and offer several health benefits. Onions are rich in antioxidants, vitamins C and B6, and fiber which helps support heart health, bone health, immune system functioning, and digestion. Mushrooms are also a good source of vitamins and minerals such as vitamin D, potassium, and selenium, which help reduce inflammation, strengthen bones, and boost the immune system. Omelettes are also a great source of protein and can help you feel fuller for longer periods of time. By combining onions and mushrooms in your omelette, you can enjoy a delicious and nutritious meal that offers numerous health benefits.





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