20-Minute Blackened Shrimp Tacos

Blackened shrimp tacos hit that exact point where a fast weeknight meal meets big, bold flavor. The spice crust gets slightly smoky and charred in a hot skillet, and a quick lime slaw cools everything down.

If you need dinner on the table in under thirty minutes and want something that tastes like you put in way more effort, this is the one.

What Makes These Blackened Shrimp Tacos So Good

The blackening spice builds a deep, savory crust with a little kick. It sears on fast, locking the shrimp’s juices inside so each bite is tender, not rubbery. The slaw isn’t swampy or heavy. A thin coating of mayo and a squeeze of lime just coats the cabbage until it’s crisp and bright.

You won’t miss a long marinade or sauce simmer. That spice mix and a screaming hot pan do all the heavy lifting.

Ingredients

• 1 lb large shrimp (21 to 25 count), peeled and deveined: tails on or off both work; if tails are on, just warn your guests.
• 2 tbsp vegetable or avocado oil: you need an oil with a high smoke point for the sear.
• Corn tortillas: 8 small ones; street taco size holds the shrimp best.
• 2 cups finely shredded green cabbage: a bagged slaw mix works in a pinch, but fresh cabbage has better crunch.
• 3 tbsp mayonnaise: full-fat gives the best cling without watering down.
• 1 lime: half juiced for the slaw, half cut into wedges for serving.
• Small handful cilantro leaves, roughly chopped.

For the blackening spice blend:

• 1 ½ tsp smoked paprika
• 1 tsp garlic powder
• 1 tsp onion powder
• ½ tsp dried oregano
• ½ tsp kosher salt
• ¼ tsp cayenne pepper: dial it up or down to your heat preference.
• ¼ tsp black pepper

Variations and Substitutions

• Use store-bought blackening seasoning: a good option if you have one you love. Skip the spice blend ingredients and you’ll need about 1 ½ tbsp.
• Swap shrimp for firm white fish: cod or halibut cubes work, cut into bite-size pieces and cook just until opaque.
• Dairy-free slaw: use an equal amount of vegan mayo or skip the mayo entirely and dress the cabbage with a drizzle of olive oil, lime juice, and a pinch of salt.
• Flour tortillas: they hold up great and toast up nice and pliable in a dry pan.

For a completely different spin, try these same blackening spices on salmon fillets for a fast fish taco.

How to Make Blackened Shrimp Tacos

Step 1: Season the Shrimp

Pat the shrimp very dry with paper towels. Dry shrimp sear instead of steam, and that’s how you get the blackened crust. Mix all the blackening spice blend ingredients together in a small bowl. Toss the shrimp with 1 tablespoon of the oil and the spice blend in a larger bowl until each piece is well coated.

The shrimp will look dark red and smell smoky and a little garlicky. That’s exactly right.

Step 2: Sear the Shrimp

Set a large cast iron or heavy stainless steel skillet over high heat. Let it heat for a full 2 minutes until you can feel the heat radiating off the surface. Add the remaining 1 tablespoon of oil and swirl to coat. Carefully place the shrimp in a single layer, giving each one its own space. Cook for about 2 minutes without moving them, until the edges curl and the undersides are deeply charred.

You’ll see blackened spots forming and hear a steady sizzle. That’s the sound of a good crust.

Flip each shrimp and cook the second side for another 1 to 2 minutes, until they’re firm and opaque all the way through. The total cook time is short, so watch them closely. Remove the pan from the heat and transfer the shrimp to a plate.

Step 3: Toss the Slaw

While the shrimp cook, make the slaw fast. In a mixing bowl, combine the shredded cabbage, mayonnaise, juice from half the lime, and a pinch of salt. Toss until every shred is lightly coated but still looks crisp and separate, not heavy or clumpy. Stir in the cilantro at the end so it stays bright.

The slaw should smell sharp and limey, and the cabbage will stay crunchy even after a few minutes sitting.

Step 4: Warm the Tortillas and Serve

Heat a dry skillet over medium heat and warm each corn tortilla for about 20 seconds per side, just until pliable and lightly toasted in spots. Pile a few shrimp onto each tortilla, top with a good pinch of slaw, and tuck a lime wedge alongside.

Serve right away while the shrimp are hot and the tortillas are soft, and expect everyone to go in for seconds.

Tips for the Best Blackened Shrimp

• Don’t crowd the pan. Cook in two batches if your skillet isn’t huge. Overlapping shrimp will steam and lose that crust.
• Get the pan truly hot before the oil goes in. A lukewarm pan won’t char the spices properly.
• Make the spice blend in double batches and store it in a jar. That way the next batch of tacos takes even less time.
• Slaw can be made a few hours ahead and kept in the fridge. It stays crunchy, and the flavors actually come together a bit more.

Cook times by shrimp size:

Storing Leftover Shrimp and Slaw

• Refrigerate: Keep cooked shrimp and slaw in separate airtight containers. The shrimp stays good for up to 2 days; the slaw holds up for 3 days. After that the cabbage starts to soften.
• Reheating: Gently warm the shrimp in a skillet over medium-low heat with a tiny splash of oil, just until heated through. High heat will turn them rubbery.

What To Serve With Blackened Shrimp Tacos

A simple side of black beans seasoned with a little cumin and garlic rounds out the meal without competing. Elote, either on the cob or off, adds a creamy, tangy contrast that works great with the spicy shrimp. For something fresh, sliced avocado with a drizzle of lime and flaky salt is all you need.

Frequently Asked Questions

Can I use frozen shrimp?

Yes, just thaw them completely and pat them very dry before seasoning. Any extra water will kill the sear.

How spicy are these tacos?

With ¼ teaspoon cayenne they have a mild, warm heat. Double it if you want more fire, or leave it out for a kid-friendly version.

Can I grill the shrimp instead?

Yes. Thread the seasoned shrimp onto skewers and grill over high heat for about 2 minutes per side. Brush the grill grates with oil first so they don’t stick.

Can I make the slaw the day before?

Absolutely. Toss it together and refrigerate it in a sealed container. The cabbage stays crisp and the lime flavor gets a little more pronounced overnight.

Blackened Shrimp Tacos Recipe

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 10 minutes mins

Total Time 20 minutes mins

Servings: 4 servings

Calories: 310

Ingredients Method Notes

Ingredients

  

• 1 lb large shrimp (21 to 25 count), peeled and deveined
• 2 tbsp vegetable or avocado oil
• 8 small corn tortillas
• 2 cups finely shredded green cabbage
• 3 tbsp mayonnaise
• 1 lime
• Small handful cilantro leaves, roughly chopped
• 1 ½ tsp smoked paprika
• 1 tsp garlic powder
• 1 tsp onion powder
• ½ tsp dried oregano
• ½ tsp kosher salt
• ¼ tsp cayenne pepper
• ¼ tsp black pepper

Method

 

1. Pat the shrimp dry, then toss with 1 tbsp oil and all the spices in a bowl.
2. Heat a cast iron skillet over high heat for 2 minutes, add the remaining oil, and sear shrimp in a single layer for 2 minutes per side until blackened and opaque. Work in batches if needed.
3. While the shrimp cook, toss the cabbage with mayonnaise, juice from half a lime, and a pinch of salt. Stir in cilantro.
4. Warm tortillas in a dry skillet over medium heat for about 20 seconds per side. Pile shrimp and slaw onto each tortilla and serve with lime wedges.

Notes

The slaw can be made a few hours ahead and chilled. Let the shrimp rest on the plate for just a minute after cooking so the juices settle, but serve right away while they’re hot.