This Spicy Cajun Shrimp with Garlic Butter Sauce provides bold, smoky heat and a buttery, tangy glaze in just 15 minutes. This flavorful, easy seafood recipe is perfect for weeknight dinners. This recipe features seared shrimp, garlic butter, and a Cajun spice blend.
⭐Cajun Shrimp: A Quick Look
- What it is: Pan-seared Cajun-flavored shrimp tossed in a buttery garlic sauce glaze.
- Time & Yield: Ready in 15 minutes, serves 4.
- Taste & Texture: Smoky, tangy, and rich with a juicy, tender bite.
- Heat Level🌶: Medium-spicy, easily adjustable up or down.
- How To Make: Season, sear, build garlic butter, glaze, and serve.
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Hi, if you're here, you already know how much I love Cajun cuisine and spicy shrimp recipes, and I've been making this classic Cajun shrimp recipe for years.
Over the years, I've tweaked this recipe to make it easier, pantry-friendly, and perfect for busy weeknights, maintaining the base flavor, and it still tastes like restaurant-quality food.
Plus, switching to a cast-iron pan made a big difference; it holds heat better and gives a deeper sear that builds real flavor.
I also learned that the hot sauce became an essential trick for that big flavor.
The lemon-garlic butter glaze came later, inspired by classic seafood bistro finishes, where richness is always balanced with something sharp and fresh. That one move made the dish feel complete instead of heavy.
Cajun Shrimp Ingredients
- Large shrimp: Large shrimp hold up well to high heat and stay juicy. Jumbo shrimp work too; just add an extra cooking time as needed.
- Avocado oil: Its high smoke point makes it ideal for searing. Grapeseed oil or canola oil are good substitutes too.
- Cajun seasoning: You can substitute store-bought Creole seasoning or blackened seasoning, or make your own blend with paprika, garlic powder, onion powder, cayenne pepper, dried oregano, dried thyme, salt, and black pepper.
- Sweet paprika: Adds color and mild flavor. Smoked paprika can add a deeper, smokier flavor.
- Cayenne pepper (optional): Adds extra heat beyond the Cajun seasoning. Omit it for a milder dish.
- Unsalted butter: Creates a rich, flavorful glaze while giving you better control over the salt level. If using salted butter, adjust the salt mentioned in the recipe card below.
- Garlic cloves: Fresh garlic adds the best flavor and aroma to the sauce.
- Louisiana-style hot sauce: Adds tangy heat without overpowering the other flavors. Any vinegar-based hot sauce works well.
- Fresh lemon juice: Brightens the sauce and balances the butter's richness. Freshly squeezed juice is recommended.
- Dried Parsley: It's pantry-friendly, substitute with fresh parsley or cilantro.
How To Make Cajun Shrimp?
- Step 1. Pat shrimp dry; toss with avocado oil, Cajun seasoning, paprika, sea salt, and cayenne. Set Aside.
- Step 2. Heat the skillet over medium-high heat, add butter, and let it foam. Cook shrimp for 90 seconds, flip, and cook for 60-75 seconds until opaque. Lower the heat, push the shrimp aside, add butter and garlic, and cook until fragrant. Stir in hot sauce and lemon juice, toss until glossy, garnish, and serve.
♨️How To Adjust The Heat?
- Mild Heat: Omit the cayenne pepper and use less Cajun seasoning for a gentler flavor. You can also stir in a little extra butter at the end to mellow the heat.
- Medium Heat: Prepare the recipe as written for a balanced level of heat with plenty of Cajun flavor.
- Hot & Spicy: Increase the cayenne pepper or stir in a few extra dashes of hot sauce.
Meal Prepping, Storage, & Reheating Ideas
- Meal Prep: The shrimp can be seasoned up to 1 day in advance and stored covered in the refrigerator. For the best texture, cook them just before serving. Turn leftovers into Cajun shrimp pasta or add into rice bowls, tacos, salads, or wraps for an easy meal the next day.
- Storage: Store leftover shrimp in an airtight container in the refrigerator for up to 3 days or in the freezer for up to 2 months.
- Reheat: Warm the shrimp gently in a skillet over low heat just until heated through. If needed, add a splash of water to loosen the glaze.
Expert Tips For Best Results
- Don't crowd the skillet: Shrimp release moisture as they cook, and overcrowding traps that liquid, causing them to steam instead of sear. If needed, cook in batches.
- Pull shrimp early, not late: Shrimp continue cooking off the heat. Remove them as soon as they turn opaque and form a loose "C" shape. A tight "O" shape usually means they're overcooked.
- Watch the butter: Butter is a better indicator than timing. If it browns immediately, the pan is too hot; remove it from the heat briefly, then return it to the heat.
- Let the glaze coat, not cook: The garlic butter glaze should stay smooth and glossy. Toss the shrimp quickly to coat, rather than simmering, which can cause the sauce to break and lose its silky finish.
- For extra gloss: Stir in cold butter cubes after turning off the heat to create a rich, silky glaze.
Frequently Asked Questions
Yes. Thaw the shrimp completely in the refrigerator or under cold running water before cooking. Pat them dry with paper towels to remove excess moisture, which helps them sear properly.
Steamed rice, crusty bread, or a simple green salad are all great options. For a heartier meal, serve the shrimp over pasta or add them to a grain bowl with your favorite vegetables.
Shrimp become rubbery when they're overcooked. Remove them from the heat as soon as they turn opaque and pink, as they'll continue to cook slightly from the residual heat.
Yes. A heavy-bottomed stainless steel skillet works well as an alternative. It may not retain heat as well as cast iron, but it will still give you good results.
📖 Recipe
Spicy Cajun Shrimp with Garlic Butter Sauce
Ingredients
- 1 lb large shrimp peeled and deveined
- 1 tablespoon avocado oil or grapeseed oil
- 1½ tablespoon Cajun seasoning
- 1 teaspoon sweet paprika
- ½ teaspoon sea salt
- ½ teaspoon cayenne pepper optional
- 2 tablespoon unsalted butter divided
- 3 garlic cloves minced
- 2 tablespoon hot sauce Louisiana-style
- 1½ tablespoon lemon juice
- 1 teaspoon dried parsley
Instructions
- Pat the shrimp very dry. Toss with avocado oil, Cajun seasoning, paprika, sea salt, and cayenne. Let it rest while the pan heats.
- Heat a large skillet (preferably cast iron) over medium-high heat, then add butter and let it foam.
- Cook shrimp in a single layer for 90 seconds without stirring, then flip and cook for 60-75 seconds until opaque. Remove if done early.
- Lower the heat to medium-low. Push shrimp to the sides of the pan.
- Add the remaining butter and garlic to the center. Cook 45-60 seconds, stirring until fragrant but not browned.
- Add hot sauce and lemon juice. Toss shrimp over low heat for 30-45 seconds until glossy.
- Turn off the heat, garnish with parsley, and serve immediately.
Notes
- You can substitute large shrimp with jumbo (add extra cook time), avocado oil with grapeseed or canola oil, and Cajun seasoning with Creole or blackened seasoning if needed; dried parsley can be swapped for fresh parsley or cilantro
- Adjust heat to taste: omit cayenne for mild, prepare as written for medium, or add extra cayenne and a few more dashes of hot sauce for hot
- Don't crowd the skillet; shrimp release moisture and will steam instead of sear if overcrowded. Cook in batches if needed
- Store leftovers in an airtight container in the fridge for up to 3 days or freezer for up to 2 months
- Reheat gently in a skillet over low heat, adding a splash of water if needed to loosen the glaze
