Filipino-Style Shrimp with Garlic, Butter, and Calamansi

Filipino-style garlic butter shrimp is a quick, savory-sweet shrimp dish made with plenty of garlic, butter, calamansi, and a splash of lemon-lime soda. It is served hot with rice to catch the buttery sauce; home cooks vary the balance of citrus, sweetness, and heat, so this recipe offers one flexible version rather than a single definitive style.

Ingredients

1½ lb (680 g) large shrimp, peeled and deveined, tails on or off; 21–25 per pound is a useful size
6 tbsp (85 g) unsalted butter, divided
1 tbsp (15 ml) neutral cooking oil, such as canola
8 garlic cloves (about 24 g), finely minced
½ cup (120 ml) lemon-lime soda
1 tbsp (15 ml) fish sauce
1 tbsp (15 ml) calamansi juice
¼ tsp (1 g) freshly ground black pepper
¼ tsp (1 g) fine salt, or to taste after cooking
1 small red chile (about 5 g), thinly sliced, optional
2 tbsp (8 g) sliced scallions, for serving
1 tsp (5 ml) calamansi juice or lime juice, extra for finishing, optional

Instructions

Prepare the shrimp and seasonings. Pat the peeled shrimp thoroughly dry with paper towels; surface moisture makes the pan sauce watery and can prevent the shrimp from browning lightly. Mince the garlic, slice the scallions and optional chile, and measure the soda, fish sauce, and calamansi juice. The 20-minute preparation estimate assumes the shrimp are already peeled and deveined. If starting with shell-on shrimp, allow extra time to peel and devein them.
Warm the pan and soften the garlic. Set a large skillet over medium heat for about 1 minute. Add the oil and 2 tablespoons (28 g) of the butter. When the butter has melted and is foaming gently, add the garlic and optional chile. Stir for about 1 minute, just until fragrant. Keep the garlic pale; browned garlic can taste bitter, and it will continue cooking in the sauce.
Make the quick sauce. Pour in the lemon-lime soda, fish sauce, and 1 tablespoon (15 ml) calamansi juice. Add the black pepper and optional salt, then stir and bring the mixture to a gentle simmer. Cook for about 2 minutes so the soda reduces slightly and the flavors combine. It will still look loose at this point; the remaining butter and shrimp juices will give it body.
Cook the shrimp safely. Arrange the shrimp in a single layer in the skillet. Cook for about 2 minutes, turn each shrimp, and cook for another 2–3 minutes, spooning sauce over them as they finish. Shrimp sizes and pans vary, so check the thickest pieces rather than relying on color alone: the USDA FSIS safe minimum internal temperature for fish and shellfish such as shrimp is 145°F (63°C), checked with a food thermometer. For a reliable reading, insert the thermometer from the side into the thickest shrimp. The flesh should also be opaque and firm, not translucent. Avoid extending the cook just because the smaller shrimp are already curled tightly; overcooking makes them tough.
Finish the sauce and serve. Turn the heat to low and stir in the remaining 4 tablespoons (57 g) butter until melted and glossy. Taste the sauce before adding more salt, since fish sauce is already salty. Add the extra calamansi or lime juice if you want a brighter finish. Scatter the scallions over the top and serve promptly with plenty of warm rice.

Tips

Use dry shrimp and give them room. Pat them dry, and use a skillet large enough to hold them in one layer. If your pan is small, cook in two batches, then return all the shrimp to the sauce to finish. Crowding releases moisture and makes the shrimp steam while thinning the sauce.
Choose the right citrus substitute. Fresh calamansi has a fragrant, tart flavor that is less sharply lemony than some citrus. If you cannot find it, use an equal amount of lime juice, or combine 2 teaspoons (10 ml) lime juice with 1 teaspoon (5 ml) lemon juice. The result will be a little more familiar-tasting and less distinctly calamansi-like.
Adjust the salt after reducing the sauce. Fish sauce brands vary in saltiness, and reduction concentrates the flavor. Start with the measured amount, taste after the shrimp are cooked, and add salt only if needed. If the sauce tastes too salty, stir in a tablespoon of water or unsalted butter rather than adding more soda.
Keep the garlic gentle. Medium heat and frequent stirring are more useful than rushing the first step. If the garlic starts to turn brown before the soda goes in, briefly move the pan off the burner; burnt garlic can dominate the finished sauce.

Serving Suggestions

Serve the shrimp and all the pan sauce over steamed white rice, which absorbs the buttery, garlicky liquid. Jasmine rice works well, and brown rice is another option if you prefer a chewier grain. For a Filipino-inspired meal, add a simple vegetable side such as sautéed green beans, steamed bok choy, or sliced cucumber and tomato. Keep the sides relatively plain so they do not compete with the sauce.

Set out extra calamansi or lime wedges for anyone who wants more acidity, plus sliced chile for guests who like more heat. If you are serving the shrimp family-style, transfer them to a warmed shallow platter and pour the sauce over the top immediately before bringing it to the table. The butter can firm up as it cools, so warm plates and prompt serving help the sauce stay inviting. A spoon is useful at the table for drizzling the sauce over each serving of rice.

Variations

Make it more citrus-forward: Increase the calamansi juice to 1½ tablespoons (22 ml), or add a small squeeze at the end. Add the extra juice gradually; too much can make the sauce sharply sour and can overwhelm the sweetness from the soda.

Use a soda-free sauce: Replace the ½ cup (120 ml) lemon-lime soda with ½ cup (120 ml) water and 1 teaspoon (4 g) sugar. Add 1 teaspoon (5 ml) extra calamansi or lime juice for brightness. This version is less sweet and usually needs a little longer to reduce, so simmer until the sauce lightly coats a spoon before adding the shrimp.

Turn up the heat: Add more sliced red chile, or serve chili garlic sauce on the side so each person can season their own portion. For a milder dish, omit the chile entirely; garlic, butter, and citrus still make the sauce flavorful.

Try a shell-on presentation: Shell-on shrimp can make a striking platter and may add a little extra flavor to the sauce, but they are messier to eat. Buy them deveined, rinse and dry them well, and allow extra preparation time. Because shell-on shrimp are harder to check with a thermometer, choose large shrimp and check a thick piece of flesh after peeling back the shell at the thickest section.

Change the cooking fat carefully: You can replace the neutral oil with another mild cooking oil, but keep the butter for the characteristic rich finish. Olive oil works in a pinch, though its flavor will be more noticeable. Using all butter from the start is less forgiving because the milk solids can brown while the garlic cooks.

Storage and Reheating

Refrigerate leftover shrimp within 2 hours of cooking in a shallow, airtight container. They keep for 3–4 days in the refrigerator, although the texture is best during the first day or two. Store the shrimp with their sauce so they do not dry out. Do not leave the dish at room temperature for longer than 2 hours, or 1 hour if the temperature is above 90°F (32°C).

For best texture, reheat only the portion you plan to eat. Put the shrimp and sauce in a covered skillet over low heat, add a teaspoon or two of water if the sauce has thickened, and stir gently until hot throughout. Reheated leftovers should reach 165°F (74°C), checked with a food thermometer. Avoid prolonged heating, which can make shrimp rubbery. A microwave also works: use a microwave-safe covered dish, heat in short intervals, and stir or rearrange the shrimp between intervals so they heat evenly. Freeze leftovers in a sealed freezer-safe container for up to 2–3 months for best quality, then thaw overnight in the refrigerator before reheating.

Frequently Asked Questions

Can I use frozen shrimp?

Yes. Thaw frozen shrimp overnight in the refrigerator, or place them in a sealed bag under cold running water until pliable. Drain and pat them very dry before cooking. Do not add shrimp while they are still icy, because the extra water can dilute the sauce and make the cooking time unpredictable. Once thawed, cook them promptly.

Can I use shrimp that are already cooked?

Raw shrimp give the best texture because they cook directly in the sauce and release a little flavor as they do. If you only have cooked shrimp, make the sauce first and let it reduce, then add the shrimp just long enough to heat through. They still need to reach 165°F (74°C) when reheating leftovers, but do not simmer them for the full raw-shrimp cooking time or they may become tough.

What can I use instead of calamansi?

Lime juice is the simplest substitute and is easy to find. A blend of lime and lemon more closely balances the bright, fragrant quality of calamansi, though it will not be identical. Bottled calamansi juice can also work; check whether it contains added salt or sugar and adjust the seasoning accordingly.

Why is my sauce thin?

The sauce is meant to be spoonable rather than thick like a gravy. If it seems watery, the shrimp may have gone into the pan wet, the skillet may have been crowded, or the soda may not have simmered long enough. Remove the cooked shrimp to a plate and simmer the sauce for another minute or two, then stir in the finishing butter and return the shrimp. Avoid reducing it too far, since the fish sauce becomes saltier as liquid evaporates.

Can I prepare the recipe ahead?

You can peel and devein the shrimp, mince the garlic, and measure the sauce ingredients in advance. Keep the raw shrimp covered in the refrigerator and cook it within 1–2 days, or follow the package date if it is sooner. For the freshest texture, cook the shrimp just before serving rather than making the entire dish ahead; reheated shrimp are convenient but less tender than freshly cooked ones.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).