Fluffy Egg Sandwich Recipe: Perfect Breakfast Delight
This fluffy egg sandwich recipe combines soft, pillowy soufflé eggs, melted cheese, and fresh arugula, making it the ultimate breakfast indulgence.
Toasted golden buns with a creamy Dijon-mayo spread create a satisfying crunch in every bite. Whether you’re looking for a gourmet morning meal or an easy, on-the-go breakfast option, this sandwich is a must-try.
Let’s explore what makes this recipe unique, how to prepare it, and some variations to suit your taste.
Why You’ll Love This Fluffy Egg Sandwich
The fluffy egg sandwich is far from your average egg sandwich. Inspired by the popular Korean Egg Drop sandwich, this recipe uses innovative techniques like baking the eggs in a water bath to achieve an airy, custard-like texture.
Highlights of This Recipe:
- Luxurious texture: Soufflé eggs provide a velvety, cloud-like bite.
- Burst of flavours: The peppery arugula balances the creaminess of the mayo and cheese.
- Easy preparation: The recipe utilises straightforward techniques, ideal for any home cook.

How to Make the Best Fluffy Egg Sandwich
Ingredients You’ll Need
Here’s a breakdown of what you’ll need to create four servings:
- 12 large eggs
- 1 cup milk (any kind works)
- 1 teaspoon kosher salt, divided
- ½ teaspoon fresh cracked black pepper
- 3 cups hot water
- 4 burger buns (gluten-free if needed)
- 2 tablespoons unsalted butter, melted
- 6–8 ounces freshly grated cheddar or gruyere cheese
- 1–2 cups fresh baby arugula
- 1 tablespoon olive oil
- ¼ cup mayo
- 2 tablespoons Dijon mustard
Step-by-Step Instructions
1. Prepare the Soufflé Eggs
- Preheat your oven to 300°F (150°C). Line an 8×8-inch baking pan with parchment paper and set it on a rimmed baking sheet.
- Whisk eggs, milk, ½ teaspoon of salt, and black pepper in a bowl until smooth. Alternatively, blend them using a high-speed blender for an ultra-creamy consistency.
- Pour the egg mixture into the baking pan. Add hot water to the rimmed baking sheet to create a water bath.
- Bake for 40–45 minutes or until the eggs are mostly set with a slight jiggle. Remove and cool slightly.
2. Toast the Buns
- Brush the inside of burger buns with melted butter and place them on a sheet pan.
- Broil for 2–3 minutes until golden. Add grated cheese to the top half of the buns and broil for an additional 1–2 minutes to melt the cheese.
3. Prep the Arugula and Sauce
- Toss arugula with olive oil and a pinch of salt. Gently massage the oil into the leaves for added flavour.
- Combine mayonnaise and Dijon mustard in a small bowl.
4. Assemble the Sandwiches
- Spread the Dijon-mayo mixture generously on the bottom buns.
- Slice the baked eggs into squares or use a biscuit cutter for a round shape.
- Layer the egg, arugula, and top bun. Serve immediately and enjoy!
Recipe Variations
- Spicy twist: Add hot sauce or sriracha to the mayo mixture.
- Creamy upgrade: Top with avocado slices for a buttery texture.
- Different bread: Try toasted English muffins or sourdough slices.
- Cheese swaps: Experiment with Swiss, provolone, or Monterey Jack.
- Herby goodness: Sprinkle fresh chives or parsley on the eggs.

Storage Tips
- Make ahead: Bake the egg souffle and refrigerate in an airtight container for up to three days.
- Storing leftovers: Wrap fully assembled sandwiches in foil and refrigerate for up to four days.
- Reheating: Warm sandwiches in the oven or air fryer to keep the bread crispy.
- Freezing: Store eggs and buns separately in freezer-safe containers for up to three months.
Frequently Asked Questions
What makes the eggs so fluffy in this sandwich?
The water bath technique creates steam, ensuring evenly cooked, custard-like eggs.
Can I use different greens instead of arugula?
Absolutely! Spinach or kale are excellent substitutes.
Is this recipe suitable for vegetarians?
Yes, the ingredients are vegetarian-friendly.
How can I make this sandwich healthier?
Opt for whole-grain buns, use low-fat cheese, and substitute Greek yoghurt for mayo.
Can I double the recipe for a larger crowd?
Yes, use a 9×13-inch baking pan and double all ingredients.
References
- Health Benefits of Eggs
- Tips for Perfect Soufflés
- Dijon Mustard Uses
- Arugula Nutrition Facts
- Cheese Selection Guide
Leave a Reply