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February 21, 2018

Healthy fast food: preserving in Olive Oil

Do you dream about getting home and finding dinner all ready for you? Or taking less time to prepare a delicious meal than it does to eat it?

Then pay attention to this post because we’ve got a fantastic solution for you.

And simple too: preserve your food inExtra Virgin Olive Oil from Spain. Once your friends have tried it, they’ll all want to do it. So take note!

What can you preserve? Well, loads of ingredients really, like onions,  peppers, green beans, pork tenderloin, fresh tuna and cherry tomatoes, to name but a few.

Follow these simple steps and your favourite food will last for weeks in perfect condition with all its nutritional properties intact.



Boil a pan of water with 3 tablespoons of salt, add in the tuna and turn down to simmer for 10 minutes. There should be enough water to completely cover the fish.

How to preserve fresh tuna ingredients

Remove the fish and leave it cool on a rack.

Natural tuna

Cut the tuna into chunks with a sharp knife.

Layer the slices in a preserving jar.

A little tip: make sure you sterilise the jars thoroughly to stop any bacteria or fungi developing.

How to preserve fresh tuna

Cover the tuna with Extra Virgin Olive Oil from Spain and add a few peppercorns.

And now you’re ready to enjoy a delicious meal of tuna whenever you fancy. It’s delicious served with onion marmalade or a fresh salad.

How to preserve fresh tuna


For this recipe, you’ll need:

  • Extra Virgin Olive Oil from Spain
  • 1kg cherry tomatoes
  • Honey
  • Mixed peppercorns
  • Fresh thyme
  • Fresh rosemary
  • 3 garlic cloves
  • Salt
  • Honey

How to conserve Cherry Tomatoes

Wash, dry and halve the tomatoes.

A little tip: a quick way of doing this is to put all the tomatoes on a flat plate, then put another plate over the top. Press down gently on the top plate and pass a large and very sharp knife between the two plates. In a couple of seconds you’ll have a plateful of halved tomatoes!

How to conserve Cherry Tomatoes

Preheat the oven to 180ºC. Put the tomatoes on a baking tray covered with waxed paper. Chop the herbs and scatter them over the tomatoes along with the salt, ground pepper, crushed garlic, honey and Extra Virgin Olive Oil from Spain.  Roast in the oven for 8-10 minutes.

How to conserve Cherry Tomatoes

Leave the tomatoes to cool before filling the jars and covering them with Extra Virgin Olive Oil from Spain.  Add a couple of sprigs of fresh herbs and a few peppercorns.

How to conserve Cherry Tomatoes

They taste fantastic as a garnish for meat or fish, or to enrich some simple roast potatoes.

In less than an hour you can make two delicious preserves that will last you for weeks. Ready to get started at home?

And if you like our ideas, tips and recipes, follow us on our recipe section and olive oil news.

-Discover other uses of Olive Oils from Spain-


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