Creamy Garlic Butter Shrimp & Seared Salmon: The Ultimate Slow Cooker Seafood Feast

April 06, 2026

Are you searching for a restaurant-quality seafood dinner that requires zero standing over a hot stove? This Creamy Garlic Butter Shrimp & Seared Salmon is a game-changer for busy weeknights and elegant weekend hosting alike. By utilizing the gentle heat of a slow cooker, the salmon stays incredibly moist and flaky, while the shrimp poaches perfectly in a luxurious, garlic-infused cream sauce.

Whether you are looking for high-protein keto dinner ideas, easy slow cooker seafood recipes, or a low-carb comfort meal, this "set-it-and-forget-it" dish delivers a sophisticated flavor profile with minimal effort.

The Science of Slow-Cooking Seafood

Cooking seafood in a slow cooker might sound unconventional, but it is the secret to achieving a "melt-in-your-mouth" texture.

The Moisture Seal: Unlike high-heat pan searing which can quickly dry out delicate fish, the low-temperature environment of the slow cooker prevents the proteins from tightening, keeping the salmon fillets succulent.
The Flavor Infusion: As the heavy cream and seafood broth gently simmer, they absorb the aromatic oils from the minced garlic and Italian seasonings, creating a cohesive, velvety sauce that coats every bite.
The "Carry-Over" Rule: Because shrimp cooks very quickly, the slow cooker’s "low" setting ensures they turn tender and pink without becoming rubbery.

Ingredients & Nutritional Highlights

Component	Quantity	Key Benefit
Salmon Fillets	2 large	Packed with Omega-3 fatty acids and Vitamin D
Peeled Shrimp	1 lb	Low-calorie, high-density protein source
Heavy Cream	1 cup	Provides the luxurious, silky mouthfeel
Fresh Garlic	4–5 cloves	Natural immune booster and savory aromatic
Specialty Spices	Paprika & Herbs	Rich in antioxidants and depth of flavor

Nutrition & Timing:

Prep Time: 10 min | Cook Time: 1.5–2 hours (Low)
Calories: 590 kcal
Protein: 46g
Net Carbs: 6g (Excellent for Keto/Low-Carb diets)

Step-by-Step Culinary Instructions

1. Seasoning the Base

Place your salmon fillets in the center of the slow cooker. Season generously with salt, black pepper, paprika, garlic powder, onion powder, and dried parsley. Surrounding the salmon with the peeled shrimp ensures even heat distribution.

2. The Sauté Secret

While the slow cooker is convenient, never skip this step: melt butter in a small pan and sauté the minced garlic until it is just fragrant (about 1 minute). Pouring this "liquid gold" directly over the seafood before adding the liquids elevates the entire flavor profile.

3. Building the Creamy Sauce

Whisk together the heavy cream and seafood (or chicken) broth, then pour it into the slow cooker. The liquid should partially submerge the seafood, allowing it to poach gently.

4. The Gentle Cook

Cover and set to Low for 1.5 to 2 hours.

Pro Tip: Avoid opening the lid during the cooking process. Every time the lid is lifted, the internal temperature drops, which can lead to unevenly cooked seafood.

5. The Finishing Touch

Once the salmon flakes easily with a fork and the shrimp is opaque, your meal is ready. Use a large spoon to baste the seafood with the accumulated garlic cream sauce before serving.

Chef’s Serving Suggestions

Low-Carb Style: Serve over a bed of cauliflower rice or sautéed zoodles to keep the net carbs at 6g.
Classic Comfort: Ladle the sauce over linguine pasta or creamy mashed potatoes to soak up every drop of the garlic butter.
Flavor Boost: Stir in two cups of fresh baby spinach 10 minutes before the timer ends for added color and nutrients.

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