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Gambas al ajillo – plated and served

Gambas al ajillo

Shrimp in garlic oil: eight minutes, five ingredients, and the garlic must absolutely not turn brown.

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Preparation
10 min
Cook/bake time
8 min
Total
18 min
Difficulty
Easy
Calories
390 kcal
Servings
4 servings
Prep
10 min
Cooking & baking
8 min

Shrimp in garlic oil: eight minutes, five ingredients, and the garlic must absolutely not turn brown. This tapa is found in every Spanish bar and is served sizzling in a clay pot. What makes it special is not the shrimp, but the oil it sits in, which is why bread is absolutely essential.

Why this works

Garlic contains fructans and amino acids that brown at around 150 degrees and initially become nutty, then very quickly bitter. The window between golden yellow and burnt is only seconds wide for thin slices. That is why the garlic is started in **cold** oil and heated slowly with it. This way, it releases its fat-soluble sulfur compounds into the oil over several minutes without ever reaching the critical temperature range. Thrown into hot oil, it would be dark in twenty seconds and the whole dish bitter. For the same reason, it is sliced and not pressed. Pressed garlic has a multiple of the surface area and burns correspondingly faster. The shrimp then only need two minutes. Crustacean protein coagulates at around 60 degrees and becomes rubbery above that.

Step-by-step instructions

Our best tips

  • Garlic in cold oil. It is the only trick to this dish, and it decides between nutty and bitter.
  • Slice garlic, do not press it. Pressed garlic has a multiple of the surface area and burns before it can release its aroma.
  • Plenty of bread with it. In Spain, the oil is mopped up with bread, and anyone who clears the pan with oil in it has thrown half away.

Tasty variations

With shrimp in the shell

Unpeeled shrimp produce a significantly more aromatic oil because flavor escapes from the shell and head. But you have to peel them at the table, which is the norm in Spain.

With mushrooms

Instead of shrimp, use 500 g mushrooms, otherwise identical. As Setas al ajillo, a common vegetarian tapa.

Nutrition facts

Calculated from the ingredients – how we do it

We add up reference values for every ingredient and divide by the number of servings. These assumptions are baked in:

  • Reference values per 100 g – for the raw ingredient, exactly as listed.
  • Tinned goods count at drained weight, bone-in meat at purchase weight: you eat about 70 per cent of a chicken thigh and leave the rest.
  • Water evaporates as you cook. The energy stays in the pot, the weight does not – so the figure is per serving, not per 100 g of finished dish.
  • Anything listed without a quantity – “salt and pepper” – is not counted.

A guide value, not a lab measurement: no two onions weigh the same, and fat content varies from pack to pack.

How we calculate nutrition →

Frequently asked questions

Why does my garlic get bitter?

It went into hot oil. Garlic browns from about 150 degrees and becomes bitter within seconds. It belongs in cold oil, which is slowly heated together with it. Then it releases aroma over minutes without burning.

How many calories do Gambas al ajillo have?

Around 390 kcal per serving. Almost all of it comes from the olive oil. The shrimp themselves are extremely lean at about 80 kcal per serving. Less oil is possible, but then you miss what you mop up.

Fresh or frozen shrimp?

Frozen, raw and peeled, are completely sufficient for this dish and usually fresher than the thawed goods at the counter. The only important thing is to thaw them completely and pat them thoroughly dry.

How do I know when shrimp are done?

They curl into a loose C and become opaque. A tight O means they are already overcooked. From then on, they become more rubbery with every second.

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