
This delicious California omelette makes use of fresh ingredients, resulting in an organic and earthy flavor that California cuisine is known for. Like our vegetable omelette, Greek omelette, tomato omelette, Green Chile Breakfast Casserole, Swiss Baked Eggs, Phyllo Breakfast Cups, Mushroom Breakfast Casserole, Baked Eggs in Tomato Sauce, Italian Gnocchi Quiche, and Quiche Provencale this recipe is vegetarian. However, we do have omelette recipes that include meat, like our fresh tuna omelette, keto omelette, and Western omelette, if you would prefer that.
Some people are intimated by omelettes. If that is you, read on to learn the techniques to make the perfect omelette. It's not as difficult as you think!
🧾 Ingredients

Omelettes are so versatile. This recipe uses mushrooms, thyme, Fontina cheese, tomato, avocado and broccoli greens. You can easily substitute your favorite fillings. You can even throw in some leftovers from last night's dinner!
- 2 tablespoons unsalted butter, divided.
- 1 cup sliced white mushrooms. You can substitute any variety of mushroom here.
- ½ teaspoon dried thyme.
- Salt & pepper.
- ½ cup shredded Fontina cheese. Fontina cheese really works here because it melts so well. However, Swiss, provolone, or gouda cheeses are good substitutes.
- 6 large eggs, beaten. This is a three-egg omelette recipe. I have found that using three eggs make the omelette a little sturdier and easier to handle.
- 1 medium avocado sliced. This is optional, but is a California cuisine staple, so we included it. However, you can certainly omit it.
- 1 medium tomato. Seeded and chopped.
- 1 cup micro broccoli greens (sprouts). Adds a fun presentation and extra nutrients.
📝 How to Make an Omelette
These photos show the steps for making this California omelette specifically, but the steps apply to making any American-style omelette. If you are using raw vegetables, it's a good idea to saute them first. It brings out their flavor! You can see how we have done that with the mushrooms in this omelette.
When cooking an American-style omelette, it's important to wait for the edges to set, then take a spatula and push those edges toward the center of the skillet, tilt the pan, and allow the uncooked egg to flow underneath. This technique is used to cook the top portion of the egg while maintaining the shape. If you don't do this, the inside of the omelette will stay raw and uncooked. Please refer to the photos below to see this technique in action.
After you have cooked the eggs as indicated in the paragraph above. Your fillings will go on one side of the omelette, then you fold the other side of the omelette on top of the fillings. Allow the omelette to cook for another 30 seconds to allow everything to meld together. Then flip and cook for another 30 seconds.
That's really all there is to it!




Step 3. Add eggs and salt and pepper to a blender and blend for about 1 minute. Alternatively, you can add the eggs and salt and pepper to a medium bowl and whisk vigorously for 1-2 minutes.
Melt 1 tablespoon butter in skillet over medium heat.








Repeat steps 4-8 for the second omelette. Serve warm with sliced avocados.
🍳 Equipment
It doesn't take any fancy equipment to make an omelette. A mixing bowl, simple non-stick skillet, and heatproof spatula are all that you need. We like to blend our eggs in a blender before adding them to the skillet. However, the blender method is optional. You can just as easily use a bowl and a whisk. It's not necessary to add milk or cream to the eggs. It's just an extra ingredient that we have found doesn't really do anything for the recipe.
- Medium non-stick skillet.
- Heatproof spatula.
- Medium bowl.
- Blender. (optional)

💡 Tips for Success
A few tips to get you off and running to make the perfect omelette:
- Use a non-stick skillet. A non-stick skillet will make it easier to lift the edges of the eggs as necessary cook and achieve a beautiful omelette.
- Blend the eggs in a blender, along with salt and pepper, before adding them to the skillet. This will make for a fluffier omelette.
- When the egg edges begin to set, gently lift the edge and push it toward the center of the pan. Then gently tilt the pan so that the uncooked liquid can flow underneath. Continue working your way around the perimeter as necessary until no liquid egg remains.
- When adding the filling, only add it to one half of the omelette. Then use a heatproof spatula to cover that half with the unfilled half.

❓ Frequently Asked Questions
It's definitely best to cook the mushrooms before adding them to the omelette. This brings out their flavor. In addition, cooking the mushrooms first helps to render their moisture so that you don't end up with an omelette that is too wet and under cooked.
If you are substituting other raw vegetables, the same advice applies. If you are planning on using pre-cooked vegetables (i.e., veggies from last night's dinner) then you can add them directly and do not need to saute them first. You might want to heat them up a bit in the microwave first.
The secret to a fluffy omelette is to make sure that the eggs are thoroughly beaten before they're added to the pan. This recipe does this with the use of a blender. Add the eggs to a blender with salt and pepper and blend for 1-2 minutes until eggs are bubbly. Then cook as instructed.
Nope. Not at all. It's not necessary. In fact, this recipe doesn't include milk at all. You will have delicious and fluffy omelettes without the addition of milk or cream. It's one less ingredient to worry about. 😉
These omelettes are best made and consumed immediately. However, they will keep in your fridge for a day or two, if necessary. A better idea if you're pressed for time, is to prepare your ingredients ahead - slice the mushrooms and shred the cheese. You can store them in your fridge so they are ready when you're ready to make and eat these delicious omelettes.

🥚 Related Recipes
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Recipe

California Omelette
Ingredients
- 2 tablespoons unsalted butter divided
- 1 cup sliced white mushrooms
- ½ teaspoon dried thyme
- salt & pepper
- ½ cup shredded Fontina cheese
- 6 large eggs beaten
- 1 medium avocado sliced
- 1 medium tomato seeded and chopped
- 1 cup micro broccoli greens
Instructions
- In a nonstick skillet, melt 1 tablespoon unsalted butter over medium heat.Add the mushrooms and cook, stirring occasionally, until the mushrooms begin to brown, about 6 minutes.
- Stir in the thyme and salt and pepper. Transfer to a bowl and set aside.
- Add eggs and salt and pepper to a blender and blend for about 1 minute. Alternatively, you can add the eggs and salt and pepper to a medium bowl and whisk vigorously for 1-2 minutes. Melt 1 tablespoon butter in skillet over medium heat.
- Add half of the egg mixture and cook until warmed and the edges are beginning to set, about 30 seconds. Using a heatproof spatula, lift the cooked edges and gently push them toward the center. At the same time, lift and tilt the pan to allow the liquid egg on top to flow underneath, then cook for 30 seconds longer. Repeat as necessary along the perimeter until no liquid egg remains.
- When the eggs are almost set but still moist on top, sprinkle half of the Fontina cheese on one side of the omelette.
- Top the cheese with half of the mushroom mixture.
- Top the cheese and mushrooms with half of the chopped tomato and half of the greens.
- Using a wide spatula, fold the untopped half of the omelette over the filled half. Allow to cook about 30 seconds longer to allow the cheese to melt and the omelette to meld together. Slide in a few avocado slices, if desired, and slide the omelette onto a serving plate.Repeat steps 4-8 for the second omelette. Serve warm with sliced avocados.
Notes
- Use a non-stick skillet. A non-stick skillet will make it easier to lift the edges of the eggs as necessary cook and achieve a beautiful omelette.
- Blend the eggs in a blender, along with salt and pepper, before adding them to the skillet. This will make for a fluffier omelette.
- When the egg edges begin to set, gently lift the edge and push it toward the center of the pan. Then gently tilt the pan so that the uncooked liquid can flow underneath. Continue working your way around the perimeter as necessary until no liquid egg remains.
- When adding the filling, only add it to one half of the omelette then use a heatproof spatula to cover that half with the unfilled half.
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