Healthy Keto Shrimp Scampi with Kelp Noodles

Lunch, Seafood

March 9, 2026

Craving the rich, buttery, garlicky goodness of a classic shrimp scampi but sticking to a low-carb lifestyle? I’ve got you. This Keto Shrimp Scampi recipe swaps traditional pasta for light, crisp kelp noodles, delivering all the decadent flavor without the carbs. It’s an incredibly fast, elegant, and satisfying meal that will transport you straight to a seaside Italian restaurant. Get ready to fall in love with this simple, 30-minute dish that proves healthy eating can be absolutely delicious.

Ingredients

• ½ cup / 113g butter or macadamia nut oil
• 1 tablespoon / 15g Dijon mustard
• 1 tablespoon / 15ml fresh lemon juice
• 1 tablespoon / 3-4 cloves chopped garlic
• 2 tablespoons chopped fresh parsley
• 1 pound / 450g medium raw shrimp, shell on recommended for flavor
• 1 (12-ounce / 340g) bag kelp noodles

Instructions

1. Directions
2. Prepare the kelp noodles according to the package directions. A thorough rinse is essential. Once prepared, place them in a large, beautiful serving dish and set aside.
3. Preheat your oven to 450°F (232°C).
4. In a small saucepan over medium heat, combine the butter, Dijon mustard, lemon juice, garlic, and parsley. Stir until the butter is completely melted and the are well combined. Remove from the heat.
5. Arrange the shrimp in a single layer in a shallow baking dish. Pour the garlic butter mixture evenly over the shrimp.
6. Bake for 12 to 15 minutes, or until the shrimp are pink, opaque, and cooked through. Be careful not to overcook them.
7. Pour the entire contents of the baking dish—the shrimp and all of the delicious butter sauce—over the prepared kelp noodles. Toss gently and serve immediately.

Nutritional Information

• A Healthier Scampi
• This recipe offers a significant nutritional advantage over traditional versions.
• TRADITIONAL SCAMPI (per serving, with gluten-free rice noodles): 512 Calories, 24g Fat, 25g Protein, 45g Carbs, 1g Fiber
• “HEALTHIFIED” KETO SCAMPI (per serving, with kelp noodles): 320 Calories, 24g Fat, 24g Protein, 1.1g Carbs, 0g Fiber

Pro Tips

• For easier eating, you can peel the shrimp before baking, leaving the tails on for a classic look. However, cooking with the shells on imparts a deeper, more robust flavor into the sauce.
• Rinse kelp noodles thoroughly under cold water to remove their natural briney scent. For a softer, more pasta-like texture, soak them in warm water with a splash of lemon juice for 10-15 minutes before using.
• Add a pinch of red pepper flakes to the butter sauce for a touch of heat, or a splash of dry white wine (like Pinot Grigio) for a more complex, traditional scampi flavor.
• Don’t let any of that garlic butter sauce go to waste! Serve with keto-friendly garlic bread or a side of steamed asparagus for dipping.

FAQ

Q: What are kelp noodles and what do they taste like
A: Kelp noodles are a low-carb, gluten-free pasta alternative made from seaweed. They have a neutral taste and a crisp texture. Rinsing them thoroughly, as the recipe suggests, removes any briney scent and allows them to perfectly absorb the rich garlic butter sauce.

Q: Can I use a different low-carb noodle instead of kelp noodles
A: Yes, if you don’t have kelp noodles, you can easily substitute them with other keto-friendly options like zucchini noodles (zoodles), spaghetti squash, or even serve the scampi over a bed of cauliflower rice.

Q: Should I cook the shrimp with the shells on or off
A: For the best flavor, we recommend cooking the shrimp with the shells on. The shells impart a deeper, more robust seafood flavor into the garlic butter sauce. For easier eating, you can peel them before baking, leaving just the tails on for a classic look.

Q: How can I add more flavor to this keto scampi
A: To enhance the flavor, you can add a pinch of red pepper flakes to the butter sauce for a bit of heat. For a more traditional scampi taste, add a splash of dry white wine, such as Pinot Grigio, to the sauce before pouring it over the shrimp.

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