A Spanish Omelet (or Spanish Tortilla) is a traditional dish from Spain that’s both easy and delicious! Made with fried potatoes, onions, and eggs, it can be served hot or cold and makes a hearty, flavorful addition to any menu!

Have you ever heard of a Spanish Omelette? Also known as a Spanish Tortilla, it’s a signature dish from Spain that’s definitely NOT your typical omelette! Made with just a handful of ingredients – namely potatoes, onions, and eggs – it’s a simple, rustic dish that’s often served as part of a tapas menu. And once you try it, you’ll fall in love!

Between the layers of tender onions and fried potatoes and fluffy eggs, there’s nothing else it really needs. But I decided to add a can of my favorite Matiz Wild Sardines to the mixture… and let’s just say I’m SO glad I did.

Did I just say sardines!? You better believe it. But not just any sardines… Matiz Sardines are a Spanish delicacy! Starting with the highest quality wild-caught fish that are minimally processed and hand-packed in Spanish Olive Oil, they’re tender, flaky, and mild in flavor. The perfect addition to this Spanish Omelet!

Matiz Sardines are keto and paleo-friendly and also high in protein, calcium, and omega-3 essential fats. They have 18 grams of protein, 260 milligrams of calcium, and 2 grams of omega-3’s per tin… and they’re so convenient and easy to use.

Just open the tin and enjoy them however you’d like: with warm, crusty bread, in your favorite pasta dish, or in this delicious Spanish Omelet. They’re a simple, delicious, healthy addition to any meal. Definitely NOT your grandpa’s sardines!

🥔 Ingredients

This recipe is made with pantry staples that are easy to have on hand! Matiz Sardines can be found online at Amazon.com, yummybazaar.com, or thespanishtable.com.

1/2 cup olive oil
1 pound potatoes (I used Yukon Gold)
1 large yellow onion
8 eggs
1 can Matiz Wild Sardines in Spanish Olive Oil
1/2 teaspoon salt
1/2 teaspoon pepper

📋 Instructions

Whisk the eggs – In a large mixing bowl, whisk together the eggs, salt, and pepper. Set aside.

Peel the vegetables – Peel the onion, cut it in half, and slice it into thin slices. Set aside. Peel the potatoes, cut them in half lengthwise, and slice them into thin slices about 1/8 inch thick.

Fry the potatoes – Heat oil in a 10-12 inch skillet over medium heat. Add the potatoes and cook until soft, about 5 minutes, stirring regularly to avoid browning. Remove the potatoes from the skillet into the egg mixture using a slotted spoon.

Fry the onions – Add the onions to the same skillet with oil. Cook them until tender and translucent, about 5 minutes, stirring regularly. Remove the onions from the skillet into the egg mixture using a slotted spoon. Drain excess oil from the pan, leaving about 1 tablespoon.

Add the sardines – Chop the sardines and add them to the egg mixture. Stir it all together and pour it into the skillet over medium-low heat.

Cook the omelette – Cover the skillet and cook until the edges are completely set, about 5-7 minutes. Place a large plate over the skillet, holding it tightly. Quickly flip the omelette over onto the plate, then slide it back into the skillet to cook on the other side. Cook for an additional 3-5 minutes.

Serve – Slide the omelette out of the skillet onto a large serving plate. Garnish with sliced green onions as desired.

🌶 Recipe variations

As long as we’re adding sardines to the mix, we might as well mix things up any way we’d like. Am I right!? Here are some ideas to get you started:

Use any variety of Matiz Sardines, such as Lightly Smoked or Wild Spicy Sardines
Substitute Vidalia onion for the yellow onion
Add 1-2 teaspoons of crushed red pepper flakes for a spicy kick
Add dried oregano, parsley, or any of your favorite seasonings to the omelette
Add 1-2 Tablespoons capers to the omelette before cooking
Top with crumbled feta cheese
Serve with Spanish or Kalamata olives

♨️ Storing & reheating

Leftovers can be stored in a covered container in the refrigerator. Since Spanish Omelets can be served at any temperature, there’s no need to reheat. However, if you prefer yours warm I would suggest reheating it in a covered skillet over medium-low heat until warmed through.

🥚 Related recipes

If you love egg recipes as much as we do, here are some more of our favorites to try. Feel free to add or substitute any variety of Matiz Sardines in the recipes!