Gambas al ajillo is a classic Spanish tapa of shrimp sizzled in olive oil with garlic and a hint of chili. The real star is the sauce—a fragrant, garlicky oil that begs to be soaked up with crusty bread. This recipe focuses on making that sauce generously, so you can serve it as a tapa or use it to elevate other dishes.
Ingredients
- 1/2 cup (120 ml) extra-virgin olive oil
- 6 cloves garlic, thinly sliced
- 1 dried guindilla pepper (or 1/2 teaspoon red pepper flakes)
- 1 lb (450 g) large shrimp, peeled and deveined (tails optional)
- 1/2 teaspoon smoked paprika (pimentón)
- 1 tablespoon (15 ml) dry sherry or white wine
- 1 tablespoon (15 ml) fresh lemon juice
- 1/4 cup (15 g) fresh parsley, chopped
- Flaky sea salt, to taste
- Crusty bread, for serving
Instructions
- In a cold, large skillet (preferably cast iron or ceramic), combine the olive oil, sliced garlic, and guindilla pepper (or red pepper flakes). Turn the heat to medium-low and warm slowly, shaking the pan occasionally, until the garlic is fragrant and just beginning to turn golden, about 3–4 minutes. Do not let the garlic brown too quickly—it will become bitter.
- Increase the heat to medium-high and add the shrimp in a single layer. Sprinkle with smoked paprika and a pinch of salt. Cook for 1–2 minutes per side, until the shrimp are pink and just cooked through. The internal temperature should reach 145°F (63°C) as per USDA FSIS safe minimum for fish and seafood.
- Remove the pan from heat immediately. Stir in the sherry or white wine and lemon juice. The residual heat will warm the liquids and create a slightly emulsified sauce.
- Stir in the chopped parsley. Taste and adjust salt, keeping in mind that the shrimp and oil can handle a generous pinch.
- Serve immediately in the same skillet or a warm shallow bowl, with crusty bread for dipping. The sauce should be pooled around the shrimp.
Tips
- Use good olive oil: Since the oil is the sauce, choose a fruity, extra-virgin olive oil you enjoy eating. A bland oil will make a bland sauce.
- Slice garlic evenly: Thin, uniform slices cook at the same rate. If you prefer a milder garlic flavor, remove the germ (the green sprout) from each clove.
- Don’t overcook shrimp: They go from perfectly juicy to rubbery in under a minute. Pull them off the heat as soon as they turn pink and curl slightly.
- Control the heat: The chili adds warmth, not intense heat. For a spicier version, slice the guindilla open; for milder, leave it whole and remove it before serving.
Serving Suggestions
Serve the gambas as a tapa with plenty of crusty bread to soak up the oil. It pairs beautifully with a crisp white wine like Albariño or a dry sherry. For a larger meal, serve alongside a simple green salad or grilled vegetables. The sauce is also wonderful spooned over rice or tossed with pasta.
Variations
- Add tomatoes: Stir in 1/2 cup (120 ml) of diced ripe tomato or cherry tomatoes with the shrimp for a slightly sweeter, more substantial sauce.
- Use scallops: Replace shrimp with sea scallops, cutting large ones in half. Cook just until opaque.
- Make it a pasta sauce: Double the oil and garlic, skip the shrimp, and toss the sauce with cooked spaghetti or linguine. Add a splash of pasta water to emulsify.
- Add herbs: A teaspoon of fresh thyme or oregano leaves adds an earthy note that complements the garlic.
Storage and Reheating
Gambas al ajillo is best enjoyed immediately, but leftovers can be refrigerated in an airtight container for up to 2 days. The shrimp will continue to firm up as they cool. To reheat, warm gently in a skillet over low heat, adding a splash of water or olive oil to loosen the sauce. Do not microwave, as it will make the shrimp rubbery. The garlic oil can also be strained and saved separately for up to 1 week in the refrigerator—use it to sauté vegetables or drizzle over roasted potatoes.
Frequently Asked Questions
Can I use frozen shrimp? Yes, thaw them overnight in the refrigerator or under cold running water. Pat them completely dry before cooking—excess water will dilute the sauce and prevent browning.
What if I don’t have guindilla pepper? Use 1/2 teaspoon of red pepper flakes or a small dried árbol chili. You can also omit the chili entirely for a milder, garlic-forward sauce.
Why did my sauce separate? The oil and lemon juice/sherry may separate if the pan is too hot or if you stir too vigorously. To help emulsify, remove from heat and whisk in a teaspoon of cold water or a small pat of butter. It won’t be perfectly creamy, but it will coat the shrimp better.
Can I make this ahead of time? You can slice the garlic and peel the shrimp up to a day ahead. However, the dish is best cooked just before serving. If you must cook ahead, undercook the shrimp slightly and reheat gently, knowing they will finish cooking during reheating.
Is this dish very spicy? Traditionally, it has a mild warmth, not a fiery heat. The guindilla pepper adds aroma and a gentle kick. Adjust the amount to your taste.
What kind of sherry should I use? A dry fino or manzanilla sherry works best. If you don’t have sherry, use a dry white wine like Sauvignon Blanc. Avoid sweet sherry, which will alter the flavor.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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