Rich & Buttery Asparagus Spanish Tortilla Recipe

Breakfast

March 21, 2026

A Touch of Luxury for Your Everyday Tortilla

Forget everything you thought you knew about a simple Spanish tortilla. We’re taking this classic dish to a whole new level of deliciousness with a touch of luxury. By adding an extra egg yolk and a combination of rich butter and fruity olive oil, we create a tortilla that’s incredibly custardy, tender, and packed with flavor. The sweet, caramelized onions and vibrant, fresh asparagus make this the perfect centerpiece for a special brunch, a light lunch, or even a tapas night. It’s comfort food, elevated.

Ingredients

• Serves 3 to 4
• 6 to 8 ounces / 170 to 225g trimmed fresh asparagus
• 1 medium yellow onion, finely chopped
• 5 large whole eggs
• 1 large egg yolk
• ½ teaspoon / 2.5g salt
• Freshly ground black pepper, to taste
• 1 tablespoon / 15ml olive oil
• 2 tablespoons / 28g butter

Instructions

1. Prepare the asparagus: Thinly peel the woody bottom third of the asparagus stalks. Chop these tougher parts into ½-inch / 1.25cm pieces. Cut the tender tops into 1-inch / 2.5cm pieces and set them aside. Bring a small pot of salted water to a boil. Add the bottom pieces and cook for 3-4 minutes. Then, add the tender tops and cook for another 4-5 minutes until all pieces are tender-crisp. Drain thoroughly.
2. Beat the eggs: In a medium bowl, whisk the whole eggs and the extra egg yolk with the salt and a few grinds of fresh pepper until well combined.
3. Sauté the vegetables: In a 10-inch / 25cm non-stick skillet over medium heat, melt the butter and olive oil together. Add the finely chopped onion and sauté until softened and just beginning to turn golden, about 5-7 minutes. Add the drained asparagus and stir gently to combine, cooking for another 2 minutes.
4. Cook the tortilla: Pour the beaten egg mixture evenly over the onions and asparagus in the skillet. Immediately reduce the heat to low, cover the pan with a lid, and cook for 8-10 minutes. The edges should be set, and the center should be mostly set but still slightly wobbly.
5. Flip and finish: Place a large plate, bigger than the skillet, over the pan. With one hand on the plate and one on the skillet handle, confidently and quickly flip the tortilla onto the plate. Gently slide the tortilla, uncooked side down, back into the skillet. Cook uncovered for another 2-3 minutes to brown the other side.
6. Serve: Slide the finished tortilla onto a serving platter. Allow it to cool to lukewarm for the best flavor and texture before cutting into wedges to serve.

Nutritional Information

• (Estimated)
• Serving Size: 1 wedge (if cut into 4)
• Calories: 275 kcal
• Protein: 15g
• Fat: 22g
• Carbohydrates: 6g
• Note: is an estimate and may vary based on exact .

Pro Tips

• Use a well-seasoned cast iron or a high-quality non-stick skillet (around 10 inches / 25cm) to prevent sticking and make the final flip much easier.
• Cook the tortilla low and slow. Rushing it with high heat will result in a tough, rubbery exterior and a potentially undercooked center. Patience is key for a custardy texture.
• While you can eat it warm, a Spanish tortilla is traditionally served at room temperature or lukewarm. This allows the flavors to meld and intensify.
• Feel free to swap the asparagus with other seasonal vegetables like zucchini, bell peppers, or mushrooms. Just be sure to cook them until tender before adding the eggs.

FAQ

Q: Can I make this Spanish tortilla vegan
A: This particular recipe’s signature custardy texture relies heavily on the richness of eggs, an extra egg yolk, and butter, making a direct vegan substitute difficult. For a vegan alternative, you would need to use a completely different base, such as one made from chickpea flour or silken tofu.

Q: Is this asparagus tortilla a good source of protein
A: Absolutely. With six whole eggs and an additional yolk, this dish is an excellent source of high-quality vegetarian protein. A single serving provides approximately 15g of protein, making it a satisfying and nutritious centerpiece for any meal.

Q: What other vegetables can I use instead of asparagus
A: This recipe is very flexible. Feel free to swap the asparagus with other seasonal vegetables like sautéed zucchini, bell peppers, spinach, or mushrooms. The key is to cook your chosen vegetables until they are tender before adding the egg mixture.

Q: How do I store leftover tortilla
A: Store leftover tortilla in an airtight container in the refrigerator for up to 3 days. It is traditionally served at room temperature or lukewarm, and it’s also delicious cold. We don’t recommend reheating it in the microwave, as it can make the eggs tough and rubbery.

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