Why You’ll Love This Recipe
There are plenty of reasons to keep this Slow Cooker Garlic Butter Shrimp recipe in your regular meal rotation.
The shrimp cook in a flavorful mixture of butter, garlic, lemon, and seasonings, allowing them to absorb plenty of flavor. Unlike complicated seafood recipes, this one requires only a handful of basic ingredients.
The recipe is also versatile. You can serve the shrimp over rice, pasta, mashed potatoes, crusty bread, or alongside roasted vegetables. You can make the sauce mild and buttery or add chili flakes for a spicy kick.
Most importantly, the recipe comes together with minimal effort.
Ingredients
For the shrimp:
- 2 pounds large shrimp, peeled and deveined
- 6 tablespoons unsalted butter
- 5 cloves garlic, finely minced
- 2 tablespoons olive oil
- 1 teaspoon paprika
- ½ teaspoon onion powder
- ½ teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon Italian seasoning
- ¼ teaspoon red pepper flakes, optional
- Juice of 1 lemon
- 1 teaspoon lemon zest
- 2 tablespoons chopped fresh parsley
- 2 tablespoons grated Parmesan cheese, optional
For serving:
- Cooked white rice
- Cooked pasta
- Crusty bread
- Steamed vegetables
- Lemon wedges
- Extra fresh parsley
Choosing the Best Shrimp
For this recipe, large or jumbo shrimp work especially well because they remain juicy and substantial after cooking.
Fresh shrimp are excellent, but frozen shrimp are also perfectly suitable. If using frozen shrimp, thaw them completely in the refrigerator before cooking. Once thawed, rinse them briefly if needed and pat them very dry with paper towels.
Removing excess moisture is important because water from the shrimp can thin the butter sauce.
You can use shrimp with the tails removed for easier eating, or leave the tails attached for a more attractive presentation.
Preparing the Garlic Butter Sauce
Start by melting the butter in a small saucepan over low heat. Add the minced garlic and cook gently for about 1–2 minutes.
Do not brown the garlic too much. You want it fragrant and soft rather than dark and bitter.
Remove the pan from the heat and stir in the olive oil, paprika, onion powder, black pepper, Italian seasoning, and red pepper flakes if using.
Add the lemon juice and lemon zest. Stir everything together until you have a fragrant garlic butter mixture.
The lemon is especially important because it cuts through the richness of the butter and gives the shrimp a fresh, bright flavor.
Preparing the Slow Cooker
Lightly grease the inside of your slow cooker with a little olive oil or cooking spray.
Place the prepared shrimp inside the slow cooker in as even a layer as possible.
Pour the garlic butter mixture over the shrimp.
Gently toss the shrimp with a large spoon or silicone spatula so that every piece is coated.
Try not to stack the shrimp too deeply. If you are making a very large batch, using a larger slow cooker will help the shrimp cook more evenly.
Slow Cooking the Shrimp
Cover the slow cooker with the lid and cook on LOW for approximately 1½ to 2 hours, depending on the size of the shrimp and the temperature of your slow cooker.
Shrimp cook much faster than chicken, beef, or pork, so it is important not to leave them cooking for several hours.
Check them toward the earlier end of the cooking time.
The shrimp are ready when they are opaque, pink, firm, and cooked through. For food safety, seafood should reach an internal temperature of 145°F (63°C).
Once the shrimp are cooked, immediately turn off the slow cooker or transfer them to a serving dish.
Overcooked shrimp can become rubbery and tough, so avoid leaving them sitting in the hot slow cooker for an extended period.
Finishing the Dish
Once the shrimp are cooked, sprinkle the fresh parsley over the top.
If you enjoy a richer sauce, add the Parmesan cheese and gently stir it into the warm garlic butter.
Taste the sauce and adjust the seasoning if necessary.
You can add another squeeze of fresh lemon juice for brightness, a little extra black pepper for flavor, or additional red pepper flakes for heat.
The result should be buttery, garlicky, slightly tangy, and wonderfully savory.
How to Serve Garlic Butter Shrimp
One of the best things about this recipe is how many different ways you can serve it.
For a simple dinner, spoon the shrimp and garlic butter sauce over hot cooked rice. The rice absorbs the flavorful sauce and makes the meal satisfying.
Pasta is another excellent choice. Toss the cooked shrimp and sauce with spaghetti, linguine, or fettuccine. Add a little pasta water if necessary to loosen the sauce.
For a low-carb option, serve the shrimp with roasted vegetables, zucchini noodles, cauliflower rice, or a fresh green salad.
And if you love dipping bread into flavorful sauces, serve the shrimp with warm crusty bread. The bread is perfect for soaking up every last drop of garlic butter.
Add Vegetables for a Complete Meal
You can easily turn this recipe into a complete one-pot-style meal by adding vegetables.
Good choices include:
- Bell peppers
- Zucchini
- Broccoli
- Mushrooms
- Asparagus
- Cherry tomatoes
- Spinach
Because shrimp cook quickly, some vegetables should be partially cooked before being added.
For example, broccoli and carrots may need to be steamed or roasted first. Softer vegetables such as spinach can be added near the end of cooking.
Cherry tomatoes are particularly delicious with garlic butter shrimp because they become soft and release a little of their natural sweetness into the sauce.
Make It Spicy
If you love spicy seafood, this recipe can easily be transformed into a hot and flavorful dish.
Add extra red pepper flakes to the garlic butter sauce. You can also add a pinch of cayenne pepper or a splash of your favorite hot sauce.
For a smoky spicy version, add a little extra smoked paprika.
Another delicious option is to serve the finished shrimp with sliced fresh jalapeños and chopped green onions.
The buttery sauce helps balance the heat, creating a combination that is spicy without overpowering the natural sweetness of the shrimp.
Make It Creamy
For a creamy version, add a little heavy cream after the shrimp have finished cooking.
Transfer the cooked shrimp to a bowl and place the garlic butter sauce into a small saucepan. Add about ½ cup of heavy cream and gently warm it over low heat.
Stir in a small amount of Parmesan cheese until the sauce becomes smooth.
Return the shrimp to the sauce and toss gently.
This creates a luxurious creamy garlic shrimp that is especially delicious over pasta.
Tips for Perfect Slow Cooker Shrimp
The most important tip is not to overcook the shrimp.
Unlike tougher cuts of meat, shrimp require very little cooking time. Once they turn opaque and pink and reach the proper internal temperature, they are ready.
Always thaw frozen shrimp completely before cooking.
Pat shrimp dry before adding them to the slow cooker. This helps prevent the sauce from becoming watery.
Use fresh garlic whenever possible. Freshly minced garlic gives the sauce a much stronger and more delicious flavor than garlic powder alone.
Fresh lemon juice is also preferable to bottled lemon juice because it provides a brighter flavor.
Finally, serve the shrimp immediately after cooking for the best texture.
Can You Prepare This Recipe Ahead?
You can prepare several components in advance.
The garlic butter sauce can be mixed several hours ahead and refrigerated. The shrimp can also be cleaned, peeled, and deveined ahead of time.
However, it is best to keep the raw shrimp refrigerated until you are ready to cook them.
Because shrimp cook so quickly, there is little advantage to fully cooking them hours before serving. They are best when cooked shortly before the meal.
Storing Leftovers
If you have leftover shrimp, allow them to cool and transfer them to an airtight container.
Refrigerate them promptly and use them within 3–4 days.
When reheating, use gentle heat. A skillet over low heat works well. Add a small splash of water, broth, or butter to prevent the shrimp from drying out.
Avoid reheating them for too long because repeated high heat can make shrimp rubbery.
Leftover garlic butter shrimp can also be used in pasta, salads, wraps, rice bowls, or sandwiches.
A Simple Dinner Everyone Can Enjoy
Slow Cooker Garlic Butter Shrimp is a great example of how a few everyday ingredients can create a delicious meal.
The combination of butter, garlic, lemon, paprika, and herbs gives the shrimp a rich but balanced flavor. The lemon keeps the dish fresh, while the butter creates a silky sauce that pairs beautifully with rice, pasta, and bread.
For an easy family dinner, serve the shrimp over fluffy rice with steamed broccoli. For a special meal, serve them over creamy pasta with crusty bread and a fresh green salad.
You can also prepare them as an appetizer for a gathering. Simply place the shrimp on a serving platter, drizzle the garlic butter sauce over the top, and provide toothpicks or small forks.
Final Thoughts
This Slow Cooker Garlic Butter Shrimp recipe is simple, flavorful, and incredibly versatile. With tender shrimp cooked in a fragrant garlic butter sauce, fresh lemon, herbs, and a touch of spice, it delivers plenty of flavor without requiring complicated preparation.