Homemade Spanish Sardines Recipe (Homemade Long-Simmered Style)
Spanish sardines is one of those classic preserved dishes that takes patience but rewards you with deep flavor, tender fish, and a rich, aromatic oil infused with spices. This version is slowly cooked for hours until the bones become soft enough to eat – perfect for rice, bread, or even as a gift-worthy homemade bottled product.
This recipe is inspired by traditional home canning-style sardines often made in coastal households, where fresh fish is preserved using oil, aromatics, and slow heat cooking. The result is a savory, slightly spicy with a long shelf-life when properly stored.
Spanish sardines are widely popular in the Philippines and Mediterranean-inspired cuisine. The slow-cooking process is what makes this dish special. Instead of rushing the process, the fish is gently simmered for hours in olive oil and spices, allowing the bones to soften completely while absorbing the flavors of garlic, bay leaves, peppercorn, carrots, and olives.
Historically, sardine preservation was developed as a way to extend the shelf life of fresh fish without refrigeration. Oil and salt act as natural preservatives, while slow heat ensures the fish becomes tender and flavorful.
Tips for Best Spanish Sardines
- Always use fresh sardines for best flavor and texture
- Do not skip the brining step – it removes blood and reduces fishy smell
- Slow cooking is important; rushing will make the fish tough
- Make sure fish are fully submerged in oil and water mixture
- Add more olive oil if needed during cooking
- Let it cool before storing in jars for better flavor infusion
- The longer it sits, the better it tastes
Spanish Sardines Recipe (Homemade Long-Simmered Style)
Ingredients
Brine Solution (for cleaning fish)
- 2 liters water
- 1/2 cup salt
Spanish Sardines
- 2 kg sardines fresh
- 2 medium carrots peeled and cut
- 2 cloves garlic peeled
- 2 tbsp whole black peppercorns
- 20 pcs bay leaves laurel
- 1/2 to 1 cup green olives
- 1/2 tbsp salt
- 3 cups olive oil or any neutral oil
- 3 cups water
- Red chilies optional, for spice
Instructions
- Prepare brine solution by mixing 2 liters of water with 1/2 cup salt. Soak sardines for 30 minutes to clean and remove blood.
- Drain fish and rinse thoroughly with clean water.
- In a deep pot, layer carrots, garlic, bay leaves, peppercorns, olives, and chilies at the bottom. This prevents the fish from sticking and burning.
- Add sardines carefully on top of the aromatics.
- Pour in water and olive oil until fish are fully submerged. Add salt.
- Bring to high heat and allow the mixture to boil.
- Once boiling, reduce heat to very low and simmer slowly.
- Cook for about 5 hours, checking occasionally.
- Continue cooking up to 8 hours until fish bones become soft and edible.
- Once done, let cool before transferring to sterilized jars for storage.
Other Cooking Methods
Oven Method
You can cook sardines in a covered oven-safe dish at 120–130°C for 6–8 hours. Ensure fish is fully submerged in oil and tightly covered to prevent drying.
Slow Cooker Method
Place all ingredients in a slow cooker and cook on LOW for 8–10 hours. This is the easiest and safest method for beginners.
Air Fryer?
Not recommended for this recipe since sardines require full submersion in liquid for proper softening and preservation.
Frequently Asked Questions
Q: Why do we need to brine sardines first?
A: Brining removes blood, reduces fishy smell, and improves overall flavor.
Q: Can I use other fish?
A: Yes, but sardines work best because they soften well during long cooking.
Q: How long does homemade sardines last?
A: If properly stored in sterilized jars and refrigerated, it can last 1-2 weeks. Longer if properly canned.
Q: Can I use vegetable oil instead of olive oil?
A: Yes, neutral oils work, but olive oil gives better flavor.
Q: Why are the bones still hard?
A: It means it needs longer cooking time. Continue simmering until bones soften.
Watch cooking video here:
Final Note
This homemade Spanish sardines recipe is perfect for those who love slow-cooked, flavorful, and preservable dishes. It takes time, but the result is rich, aromatic sardines that taste better than store-bought versions. Once you try homemade, you’ll never go back to canned sardines again.
