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Spanish Garlic Shrimp (Gambas al Ajillo)

Name: Spanish Garlic Shrimp (Gambas al Ajillo)
Prep time: 10 min
Cook time: 17 min
Total time: 27 min
Yield: 4 appetizer servings
Cuisine: Spanish, Madrid
Ingredients: 5 ounces (300 g) medium or large raw shrimp, peeled and deveined; 7 to 8 garlic cloves, thinly sliced; 1/2 cup (120 ml) extra-virgin olive oil; 2 to 3 small dried cayenne chiles or fresh red chiles, adjusted to taste; 1/2 teaspoon fine salt, or to taste

Juicy shrimp cooked in chile-infused olive oil with slowly confited garlic for a classic sizzling Spanish tapa.

Prep10 min

Cook17 min

Total27 min

Serves4 appetizer servings

Jump to Recipe

Gambas al ajillo is one of Spain's best-known tapas, combining tender shrimp with plenty of garlic, extra-virgin olive oil, and a controlled touch of chile heat. The dish is especially associated with Madrid's traditional bars, where it is commonly brought to the table still bubbling in a small earthenware cazuela.

This version cooks the sliced garlic slowly so it becomes soft and aromatic without turning bitter. The shrimp are added only at the end and finish in the residual heat, helping them remain juicy while their cooking juices blend with the infused oil.

Why You’ll Love This Recipe

The recipe transforms five simple ingredients into a deeply flavorful Spanish tapa.
Slowly confiting the garlic creates a mellow flavor without the bitterness of burned garlic.
The shrimp cook in just a few moments and remain tender rather than rubbery.
Cayenne adds adjustable warmth without overwhelming the natural sweetness of the shrimp.
The entire dish is prepared in one small skillet and can be served in less than 30 minutes.

Ingredient Notes

Raw shrimp

Choose peeled, deveined raw shrimp rather than precooked shrimp, which can become tough when reheated in the oil. Fresh or properly thawed frozen shrimp both work.

Garlic

Seven or eight cloves may sound generous, but slowly cooking the slices in oil softens their sharpness and gives the dish its characteristic flavor.

Extra-virgin olive oil

Use a flavorful but balanced extra-virgin olive oil because it becomes the sauce as well as the cooking medium. An intensely bitter oil can overpower the shrimp.

Cayenne chiles

Small dried cayenne chiles are traditional and easy to find in many US spice aisles or international markets. Red pepper flakes can provide heat, but they will remain scattered throughout the sauce.

Expert Tips

Start the garlic in cool or barely warm oil so it cooks evenly from the inside instead of browning immediately around the edges.
Keep the heat low while confiting the garlic; vigorous bubbling means the oil is too hot.
Pat thawed shrimp completely dry before adding them to the pan to reduce splattering and keep the sauce concentrated.
Do not continue cooking the shrimp over high heat once they begin to turn opaque, because residual heat will finish them quickly.
Serve the dish immediately, since shrimp become firmer as they sit in the hot oil.

Serving Suggestions

Serve the shrimp directly from a warmed cazuela or small skillet as part of a tapas spread with olives, roasted peppers, and a simple tomato salad.

For a more substantial meal, pair the shrimp and garlic oil with steamed rice, boiled potatoes, or sautéed vegetables.

Storage and Reheating

Refrigerate leftovers in an airtight container within 2 hours and use them within 2 days. Reheat the shrimp and oil very gently in a skillet over low heat only until warmed through, since additional high-heat cooking will make the shrimp tough. Freezing the finished dish is not recommended because the shrimp may develop a dry or rubbery texture.

Frequently Asked Questions

Can I make gambas al ajillo with frozen shrimp?

Yes. Thaw the shrimp completely in the refrigerator, drain away all released liquid, and pat them very dry before cooking.

Why did my garlic taste bitter?

The oil was probably too hot or the garlic became too dark. Cook the slices slowly over low heat and keep them pale rather than deeply browned.

Can I make Spanish garlic shrimp without cayenne?

Yes. The chile can be omitted for a mild version, although a small amount of heat provides the traditional contrast to the rich garlic oil.

How do I know when the shrimp are cooked?

They should be opaque, lightly curled, and firm but still juicy. For food safety, the center should reach 145°F (63°C).

CuisineSpanish, Madrid CourseAppetizer, Tapas Yield4 appetizer servings NutritionApprox. 220 calories per serving

Ingredients

5 ounces (300 g) medium or large raw shrimp, peeled and deveined
7 to 8 garlic cloves, thinly sliced
1/2 cup (120 ml) extra-virgin olive oil
2 to 3 small dried cayenne chiles or fresh red chiles, adjusted to taste
1/2 teaspoon fine salt, or to taste

Instructions

If using frozen shrimp, thaw them completely in the refrigerator, drain them well, and pat them thoroughly dry with paper towels.
Check each shrimp for the dark intestinal vein and remove it with the tip of a small knife if necessary, then season the shrimp lightly with salt.
Place the sliced garlic, olive oil, and cayenne chiles in a small skillet or heatproof earthenware cazuela.
Set the pan over low heat and cook the garlic very gently for about 15 minutes. The oil should barely shimmer, and the garlic should soften without becoming dark brown.
Add the prepared shrimp and immediately increase the heat to high.
Cook for about 20 seconds, stirring so the shrimp are coated evenly in the hot garlic oil.
Remove the pan from the heat and continue stirring for 1 to 2 minutes, allowing the residual heat to finish cooking the shrimp until they are opaque, lightly curled, and reach 145°F (63°C).
Taste the oil and adjust the salt if needed, then serve the shrimp immediately while still sizzling.

Notes

The original recipe may be prepared with fresh peeled shrimp or fully thawed frozen shrimp. Widely available raw frozen shrimp are a practical US supermarket option.

Spanish gamba is generally smaller and more delicately flavored than many US shrimp varieties. Medium or large shrimp work well, but very large shrimp may need additional cooking time.

The calorie estimate assumes approximately 5 tablespoons of the 1/2 cup of olive oil remain on the shrimp or are consumed as part of the garlic sauce.

Drying the shrimp thoroughly is essential because excess water can cause dangerous splattering and dilute the flavored oil.

Adjust the number of cayenne chiles to suit your preferred level of heat, but keep them whole for a gentler flavor.

The dietary and intolerance categories describe the written formulation only and do not guarantee the absence of cross-contact.