Protein-Packed Tuna Omelette – Low Carb, Gluten-Free

Posted on December 7, 2025

By: Amelie Grace

Delicious protein-packed tuna omelette served on a plate

There’s a certain charm to whipping up an omelette; you’re essentially crafting a hug in food form, and this Tuna Omelette is no exception. With around 22 grams of protein packed into this dish, it not only fills you up but fuels you for whatever your day might throw your way. Imagine cutting into that fluffy exterior to uncover a savory blend of tuna, creamy cheese, and vibrant bell peppers—a true feast for the senses.

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Tuna Omelette


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  • Author: betty-m
  • Total Time: 20 minutes
  • Yield: 2 servings 1x
  • Diet: Keto, Gluten-Free

Description

A fluffy and nutritious Tuna Omelette packed with protein and flavor, perfect for breakfast or brunch.


Ingredients

Scale
  • 1/2 medium red bell pepper, diced
  • 1/2 medium green bell pepper, diced
  • Oil (for cooking)
  • 1/2 5-ounce can tuna in spring water, drained
  • 2 tablespoons cream cheese
  • 6 large eggs
  • Sea salt
  • Coarse ground black pepper
  • Chives (for topping, optional)

Instructions

  1. Add oil to a small frying pan and sauté the red and green bell peppers on medium heat until softened, about 3 minutes. Remove from heat.
  2. In a medium bowl, mix the bell peppers, tuna, and cream cheese together, and set aside.
  3. In a separate bowl, beat the eggs until smooth.
  4. Heat oil in an 8-inch nonstick frying pan over medium-high heat. Pour in half the eggs, letting them set for about 30 seconds, gently disturbing the cooked egg to allow uncooked egg to flow in. Repeat until a thin layer of liquid egg remains on top, about 30 seconds.
  5. Spoon half of the tuna mixture onto one half of the egg, fold the omelette over, and cook for an additional minute. Transfer to a plate, garnish with chives, sea salt, and pepper.
  6. Repeat with the remaining ingredients to make a second omelette.

Notes

For a fluffier omelette, stir eggs gently and ensure the pan is hot before cooking.

  • Prep Time: 10 minutes
  • Cook Time: 10 minutes
  • Category: Breakfast
  • Method: Cooking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 350
  • Sugar: 2g
  • Sodium: 600mg
  • Fat: 24g
  • Saturated Fat: 8g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 2g
  • Protein: 22g
  • Cholesterol: 420mg

Why This Tuna Omelette Never Fails

Tired of the same old breakfast routine? Enter the Tuna Omelette: a versatile dish that you can whip up in a matter of minutes. Perfectly low in carbs and free from gluten, it’s a breakfast option that doesn’t compromise on flavor. It combines the heartiness of eggs and protein-packed tuna, making it ideal for those following a keto lifestyle or just looking for a tasty, nutritious start to the day. This dish will have you looking forward to breakfast as if it were a special occasion.

Ingredient Lineup

To cook this delectable Tuna Omelette, you will need:

  • 1/2 medium red bell pepper (top removed, deseeded, and diced)
  • 1/2 medium green bell pepper (top removed, deseeded, and diced)
  • Oil (for cooking)
  • 1/2 5-ounce can tuna in spring water (drained)
  • 2 tablespoons cream cheese
  • 6 large eggs
  • Sea salt
  • Coarse ground black pepper
  • Chives (for topping, optional)

The Smart Sequence

  1. Add a bit of oil in a small frying pan and sauté the red and green bell peppers on medium heat until they start to soften, which takes about 3 minutes. Remove from heat.
  2. In a medium bowl, mix the bell peppers, tuna, and cream cheese together, and set aside.
  3. In a separate medium bowl, beat the eggs together until they’re smooth and mixed well.
  4. Heat a bit of oil in an 8-inch (20-cm) nonstick frying pan over medium-high heat until hot. Gently swirl the oil around so it coats the pan. Pour in half the eggs. Wait about 30 seconds, allowing the eggs on the bottom to set. Using a spatula, gently disturb the cooked egg, creating small gaps where uncooked egg can flow in. Do this about four times in various areas of the omelette, then allow the eggs to cook until you have a thin layer of liquid egg on top, about 30 seconds.
  5. Spoon half of the tuna mixture onto one half of the egg. Gently lift one edge of the omelette and fold it across to create a semi-circle. Hold the omelette closed with the spatula until the edges cook together and seal it. You may push the omelette against the pan’s edges to encourage even cooking. Cook for another minute, then flip it to cook the other side for an additional minute.
  6. Gently transfer the finished omelette to a plate and garnish with chives, sea salt, and pepper to taste.
  7. Repeat with the remaining ingredients to make a second omelette.
  8. Enjoy your gorgeously fluffy creation.

Expert Tip: When stirring the egg, do so gently to keep the structure airy and light, which is vital for a perfect omelette.

Balanced Bites

This Tuna Omelette makes for a hearty serving size, providing approximately 350 calories, 22 grams of protein, 10 grams of carbohydrates, and 24 grams of fat—making it a satisfying choice for breakfast or brunch. The dish also contains around 2 grams of fiber for added health benefits. With its balance of nutrients, it’ll keep you energized and satiated for hours, making your morning routine smoother.

How to Serve It Best

To serve your Tuna Omelette, consider pairing it with a bright arugula salad or a side of sliced avocado for creaminess. If you’re feeling extra indulgent, a dollop of salsa or hot sauce adds a zing that perfectly complements the omelette’s rich flavors. This dish is fantastic for breakfast, but it’s versatile enough for lunch or light dinners, especially during the busy weekday rush.

Keep It Fresh

Store any leftover cooked omelette in an airtight container in the refrigerator for up to three days. If you wish to keep it longer, you can freeze the omelette for up to one month. When reheating, a quick warm-up in a skillet over low heat works wonders to maintain its fluffy texture. Always reheat thoroughly to ensure food safety while preserving the original flavors.

Pro Tips

  1. Choose the Right Pan: Use a good quality nonstick frying pan to ensure easy flipping without the mess.
  2. Consider Temperature: Make sure your pan is hot before adding the eggs; the right temperature ensures that the eggs cook evenly and puff up nicely.
  3. Don’t Rush the Cooking: Letting the eggs set properly before adding filling means you’ll get a fluffier omelette that holds up beautifully when folded.
  4. Season in Layers: Sprinkle salt and pepper into the egg mixture before cooking for even seasoning throughout.
  5. Experiment with Cheeses: Swap cream cheese for goat cheese or feta for a unique flavor twist.

Flavor Experiments

Feel like jazzing things up a bit? Here are a few flavor variations to try:

  • Seasonal Twist: Add some fresh, sautéed spinach or kale to the filling in spring for a vibrant touch of greens.
  • Gourmet Addition: Swap out the cream cheese for a dollop of herbed ricotta—perfect for an elegant brunch dish!
  • Playful Mix: Incorporate a bit of shredded cheese such as cheddar for extra gooeyness or even a spicy jalapeño for a kick.

Learn from My Mistakes

  1. Burning the Omelette: If you find your omelette is burning, reduce the heat! Cooking at lower settings allows for even cooking without the outside getting too crispy.
  2. Overfilling: To avoid breakage, be cautious about how much filling you add. Less is more here; think small spoonfuls for easier folding.
  3. Not Beating the Eggs Enough: Ensure the eggs are beaten well for a consistent, fluffy texture. Take a few extra seconds when stirring!
  4. Using Cold Ingredients: Always let your tuna and cream cheese come to room temperature before mixing to ensure smoother incorporation.
  5. Undercooking the Eggs: Remember that eggs will continue to cook even after removing from heat, so don’t be afraid to take them off when they’re almost set.

Creative Second-Day Ideas

  1. Tuna Omelette Wrap: Slice your leftover omelette into strips and roll them up in tortilla wraps with fresh greens and a smear of hummus.
  2. Brunch Salad: Chop the cold omelette into bite-sized pieces and toss it over a bed of mixed greens with a light vinaigrette for a refreshing meal.
  3. Savory Breakfast Bowl: Dice up the omelette and serve it over cooked quinoa or brown rice, topped with avocado and a squeeze of lime for a complete meal.

Quick Questions

Can you make a Tuna Omelette without cheese? Absolutely! Simply skip the cream cheese, or substitute it with a dairy-free alternative for a similar creamy texture.

Is this Tuna Omelette suitable for meal prep? Yes! It holds up well in the fridge and can be reheated easily, making it a fantastic option for meal prepping.

Can I add vegetables to this omelette? Definitely! Feel free to toss in veggies like spinach, mushrooms, or tomatoes for added nutrition and variety.

How do I make my omelette fluffier? Beat your eggs well and ensure your pan is at the right temperature—keeping it hot is key!

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