Fried Anchovies: Crispy Recipe Step-by-Step
Fried anchovies — or boquerones fritos, depending on the region — are one of the most popular tapas in Spanish cuisine. The secret isn't complicated but requires method: fresh, well-cleaned anchovies, a thin, cold batter, oil at the exact temperature, and frying in small batches. This guide details three types of batter (flour, tempura, and panko), precise frying times, and the mistakes that turn crispy anchovies into an oily mess.
Table of Contents
Anchovies vs. Boquerones: Let's Clarify
Anchovy and boquerón are the same fish: Engraulis encrasicolus. The difference is in the preparation. "Boquerón" is used for fresh fish (fried boquerones, marinated boquerones). "Anchovy" is generally reserved for the product cured in salt and packed in oil — the Cantabrian anchovies we sell at Bacalalo.
For this recipe, we use fresh boquerones (the same fish, uncured). They are bought whole at the fishmonger and cleaned at home. If you don't have access to fresh boquerones, the alternative is to use frozen fresh anchovies, which are thawed in the refrigerator and work well for frying.
How to Choose and Clean Anchovies
Signs of Freshness
- Eyes: bright, convex, transparent. Never sunken or opaque.
- Skin: silvery with a metallic sheen. If it's dull or yellowish, it's not fresh.
- Smell: of clean sea. Any ammonia smell rules out the piece.
- Flesh: firm to the touch. If pressing leaves a finger mark, it's past its prime.
- Ideal size for breading: 8-12 cm. Smaller ones are fried whole, larger ones are butterflied.
How to Clean (5 minutes for 500 g)
Remove the head with your fingers, pulling towards the belly — the guts will come out with it. Open the boquerón along the belly with your thumb, following the central spine. Remove the spine with a firm movement. Rinse under cold water. Pat dry with paper towels. You can leave them butterflied (more crispy surface) or closed (juicier inside).
3 Types of Breading/Batter
| Breading/Batter | Texture | Difficulty | Result |
|---|---|---|---|
| Just flour | Thin, crispy, classic | Easy | The traditional one. The most popular in bars. |
| Tempura | Light, airy, very crispy | Medium | More refined. Ideal for presentation. |
| Panko | Thick, ultra-crispy | Medium | Maximum crispiness. Japanese style. |
Breading 1: Just Flour (Classic Spanish)
Place wheat flour in a deep plate. Salt the cleaned boquerones. Dredge them in the flour, shaking off any excess. Fry directly. This is the fastest method and produces the thinnest coating.
Breading 2: Tempura
Mix 100g of flour, 1 tablespoon of cornstarch, 150ml of very cold sparkling water, and a pinch of salt. Do not overmix — lumps are welcome. Dip the boquerones and fry. The sparkling water and cold temperature produce the characteristic airy texture.
Breading 3: Panko
Dredge the boquerones in flour, then in beaten egg, then in panko (Japanese breadcrumbs). The triple breading creates a thick, ultra-crispy crust that stays crisp for minutes without softening.
Classic Recipe Step-by-Step
Ingredients (4 people as a tapa)
- 500 g fresh boquerones (about 25-30 pieces)
- 150 g wheat flour
- Salt
- Mild olive oil or sunflower oil for frying (minimum 1 liter)
- Lemon for serving
Step-by-Step
1. Clean: Remove heads, guts, and bones from the boquerones. Rinse and dry very well with paper towels. Moisture is the enemy of crispiness.
2. Salt: Season the boquerones with fine salt 5 minutes before breading. Salt draws out surface moisture that would otherwise prevent browning.
3. Heat the oil: In a deep skillet or fryer, heat the oil to 180-190 °C (350-375 °F). The oil should completely cover the boquerones. Check the temperature with a kitchen thermometer or by dropping a small piece of bread: it should fry immediately with vigorous bubbles but without burning.
4. Flour: Dredge the boquerones in flour one by one or a few at a time. Shake off the excess well: leftover flour absorbs oil and produces a pasty coating.
5. Fry in batches: Place 6-8 boquerones in the hot oil. Do not overcrowd the pan — if you put too many, the oil temperature will drop and the result will be oily instead of crispy. Fry for 2-3 minutes until evenly golden.
6. Drain: Remove with a slotted spoon to a plate lined with absorbent paper. Do not pile up — arrange in a single layer.
7. Serve immediately: Fried anchovies are eaten hot. A squeeze of lemon and nothing else.
Frying Times and Temperature
| Anchovy Size | Oil Temperature | Time | Result |
|---|---|---|---|
| Small (5-8 cm) | 190 °C (375 °F) | 1.5-2 min | Crispy whole, eaten with bones |
| Medium (8-12 cm) | 180 °C (350 °F) | 2-3 min | Golden, juicy inside |
| Large (>12 cm) | 175 °C (345 °F) | 3-4 min | Butterflied, more time to cook |
Visual cue: when the bubbling of the oil decreases (bubbles change from large and fast to small and slow), the boquerón is ready. The internal moisture has evaporated — this is the time to remove it.
Accompaniment Sauces
1. Lemon (classic)
A quarter of a lemon per person. Squeeze over the anchovies just before eating. It is the cleanest option and best respects the fish's flavor.
2. Aioli
Crushed garlic emulsified with olive oil. Powerful. Works as a contrast to the mildness of the fried anchovy.
3. Tartar Sauce
Mayonnaise with chopped pickles, capers, spring onion, and parsley. A more elaborate version for those who want a textured accompaniment.
4. Green Sauce
Parsley, garlic, Sherry vinegar, and olive oil emulsified. Fresh, herbaceous. For those who want something lighter than aioli.
Common Mistakes
| Mistake | Result | Solution |
|---|---|---|
| Low oil temperature | Soggy, oily coating | Wait for 180-190 °C (350-375 °F) before frying |
| Too many boquerones at once | Temperature drops, poor frying | Maximum 6-8 pieces per batch |
| Wet boquerones | Splattering + soft coating | Dry very well with paper towels |
| Excess flour | Thick, pasty crust | Shake off excess flour before frying |
| Not serving immediately | Steam softens the coating | From the pan to the plate, without waiting |
Green Olives Stuffed with Anchovy Family Size - 1.5 kg | A92
If fried anchovies are the popular version, Cantabrian anchovies in olive oil are the gourmet version. Cured for 10-12 months, hand-filleted. For when you don't want to fry but do want the best seafood product.
Nutritional Value
Fried anchovies, like all fried foods, absorb oil during cooking. The caloric impact depends on the technique:
| Preparation | Calories / 100 g | Fats / 100 g | Proteins / 100 g |
|---|---|---|---|
| Fresh anchovy (uncoated) | 131 kcal | 4.8 g | 20 g |
| Fried anchovy (well-fried) | 195 kcal | 10 g | 17 g |
| Fried anchovy (poorly fried, cold oil) | 250+ kcal | 16+ g | 14 g |
Good frying (hot oil, short time) absorbs 10-15% of oil. Poor frying can absorb 30% or more. The technique not only affects the taste — it directly affects the caloric value of the dish.
Frequently Asked Questions
Can frozen anchovies be battered?
Yes, if you defrost them completely in the refrigerator beforehand and dry them very well. Frozen anchovies can release more water, so drying is even more important than with fresh ones. The result is acceptable, although fresh ones are always better for frying.
What oil is best for frying anchovies?
Mild olive oil (not extra virgin) or high oleic sunflower oil. Extra virgin olive oil has a lower smoke point and a strong flavor that can be overpowering. High oleic sunflower oil is neutral and withstands high temperatures well. Never reuse oil more than 2-3 times.
How many anchovies per person as a tapa?
As a tapa, estimate 6-8 medium boquerones per person (about 125 g raw). As a portion or sharing dish, 10-12 per person. One kilo of fresh boquerones yields enough for 6-8 people as a tapa.
Can fried anchovies be made in the oven?
You can try, but the result is not comparable. The oven does not produce the same Maillard reaction as frying in oil. Oven-baked boquerones are drier and lack the crispiness of fried ones. If you want to avoid frying, it's better to opt for grilled anchovies with olive oil.
Can fried anchovies be reheated?
It is not recommended: they completely lose their crispiness. If you insist, use the oven at 200 °C (400 °F) for 5 minutes (never a microwave). But the reality is that fried anchovies are eaten freshly fried or not at all.
Green Olives Stuffed with Anchovy Family Size - 1.5 kg | A92
To assemble a complete appetizer: Cantabrian anchovies in oil, marinated boquerones, and olives. All ready, no cooking required. The perfect plan B when you don't feel like turning on the stove.
Conclusion
Fried anchovies are a tapa that seems simple but distinguishes the attentive cook from the improviser. Oil at the correct temperature, dry boquerones, thin batter, frying in batches, immediate service. Five steps that make the difference between a crispy, addictive dish and a soggy disaster.
If you want to experiment with the product without frying, our fried cod recipes apply the same principles to another fish that takes breading wonderfully.



