Keto Garlic Butter Shrimp Scampi – Fast, Flavorful, And Low-Carb

Shrimp scampi is one of those meals that feels special without being fussy. This keto version keeps all the garlicky, lemony richness you love, minus the pasta and extra carbs. It cooks in minutes, uses simple ingredients, and tastes like a restaurant dish you can make on a weeknight.

Serve it over zucchini noodles, cauliflower rice, or a bed of sautéed spinach for a satisfying, low-carb dinner that doesn’t feel like a compromise.

Keto Garlic Butter Shrimp Scampi - Fast, Flavorful, And Low-Carb

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Prep Time 10 minutes mins

Cook Time 10 minutes mins

Total Time 20 minutes mins

Servings: 4 servings

Ingredients Method

Ingredients

  

• 1.5 pounds large shrimp, peeled and deveined (tails on or off)
• 3 tablespoons unsalted butter
• 2 tablespoons extra-virgin olive oil
• 5 cloves garlic, finely minced
• 1/4 teaspoon red pepper flakes (adjust to taste)
• 1/3 cup low-sodium chicken broth or dry white wine (optional for keto; see FAQ)
• 1 lemon (zest and juice)
• 1/4 teaspoon sea salt, plus more to taste
• 1/4 teaspoon freshly ground black pepper
• 2 tablespoons fresh parsley, chopped
• 1–2 medium zucchinis, spiralized (optional, for serving)
• Grated Parmesan, for finishing (optional, but delicious)

Method

 

1. Prep the shrimp. Pat the shrimp dry with paper towels. Season lightly with salt and pepper. Dry shrimp sear better and stay juicy.
2. Spiralize or prep sides. If using zucchini noodles or cauliflower rice, have them ready. Zoodles can be briefly sautéed in olive oil for 1–2 minutes to soften, then set aside.
3. Warm the pan. Heat a large skillet over medium heat. Add 1 tablespoon olive oil and 1 tablespoon butter.
4. Sear the shrimp in batches. Add half the shrimp in a single layer. Cook 1–2 minutes per side, just until pink and opaque. Transfer to a plate and repeat with the remaining shrimp, adding a splash more oil if needed.
5. Sauté the garlic. Reduce heat to medium-low. Add the remaining butter and olive oil. Stir in garlic and red pepper flakes. Cook 30–45 seconds until fragrant, not browned.
6. Deglaze and build the sauce. Pour in the chicken broth (or wine, if using). Scrape up any browned bits from the pan. Simmer 1–2 minutes to reduce slightly.
7. Add lemon. Stir in lemon zest and 1–2 tablespoons lemon juice. Taste and adjust salt and pepper.
8. Return the shrimp. Add shrimp and any juices back to the pan. Toss to coat and warm through for 30–60 seconds. Don’t overcook.
9. Finish. Remove from heat. Stir in fresh parsley. Plate over zoodles, cauliflower rice, or sautéed greens. Top with a sprinkle of Parmesan if you like.

What Makes This Special

This recipe skips the pasta and sugar-heavy wine but keeps the bold flavors that make scampi a classic. You’ll get a buttery, garlicky sauce with a hit of lemon and a whisper of heat from red pepper flakes. The shrimp cook quickly and stay tender, thanks to a simple technique and timing.

Best of all, this dish feels rich and indulgent while fitting neatly into a keto-friendly lifestyle.

Ingredients

• 1.5 pounds large shrimp, peeled and deveined (tails on or off)
• 3 tablespoons unsalted butter
• 2 tablespoons extra-virgin olive oil
• 5 cloves garlic, finely minced
• 1/4 teaspoon red pepper flakes (adjust to taste)
• 1/3 cup low-sodium chicken broth or dry white wine (optional for keto; see FAQ)
• 1 lemon (zest and juice)
• 1/4 teaspoon sea salt, plus more to taste
• 1/4 teaspoon freshly ground black pepper
• 2 tablespoons fresh parsley, chopped
• 1–2 medium zucchinis, spiralized (optional, for serving)
• Grated Parmesan, for finishing (optional, but delicious)

Instructions

1. Prep the shrimp. Pat the shrimp dry with paper towels. Season lightly with salt and pepper. Dry shrimp sear better and stay juicy.
2. Spiralize or prep sides. If using zucchini noodles or cauliflower rice, have them ready.

   Zoodles can be briefly sautéed in olive oil for 1–2 minutes to soften, then set aside.

3. Warm the pan. Heat a large skillet over medium heat. Add 1 tablespoon olive oil and 1 tablespoon butter.
4. Sear the shrimp in batches. Add half the shrimp in a single layer. Cook 1–2 minutes per side, just until pink and opaque.

   Transfer to a plate and repeat with the remaining shrimp, adding a splash more oil if needed.

5. Sauté the garlic. Reduce heat to medium-low. Add the remaining butter and olive oil. Stir in garlic and red pepper flakes.

   Cook 30–45 seconds until fragrant, not browned.

6. Deglaze and build the sauce. Pour in the chicken broth (or wine, if using). Scrape up any browned bits from the pan. Simmer 1–2 minutes to reduce slightly.
7. Add lemon. Stir in lemon zest and 1–2 tablespoons lemon juice.

   Taste and adjust salt and pepper.

8. Return the shrimp. Add shrimp and any juices back to the pan. Toss to coat and warm through for 30–60 seconds. Don’t overcook.
9. Finish. Remove from heat.

   Stir in fresh parsley. Plate over zoodles, cauliflower rice, or sautéed greens. Top with a sprinkle of Parmesan if you like.

Keeping It Fresh

Shrimp are delicate, so this dish is best enjoyed right away.

If you have leftovers, store them in an airtight container in the fridge for up to 2 days. Reheat gently in a skillet over low heat with a splash of broth or water to loosen the sauce. Avoid the microwave if you can—shrimp can turn rubbery fast.

Benefits of This Recipe

• Low-carb and keto-friendly: No pasta, minimal carbs, and healthy fats from butter and olive oil.
• Fast weeknight option: From prep to plate in about 20 minutes.
• Protein-packed: Shrimp delivers lean protein without heaviness.
• Restaurant flavor at home: Garlic, lemon, and a silky pan sauce feel special with minimal effort.
• Flexible serving ideas: Works with zucchini noodles, cauliflower rice, or a simple salad.

What Not to Do

• Don’t overcook the shrimp. They only need 1–2 minutes per side.

  Overcooked shrimp are tough and dry.

• Don’t brown the garlic. Burnt garlic turns bitter. Keep the heat moderate and stir constantly.
• Don’t skip drying the shrimp. Moisture prevents browning and waters down the sauce.
• Don’t drown the zoodles. If serving with zucchini noodles, sauté briefly. Overcooking makes them soggy and watery.
• Don’t oversalt early. Reduce the sauce first, then adjust seasoning to taste at the end.

Recipe Variations

• Extra-buttery scampi: Swirl in an extra tablespoon of cold butter off the heat for a richer, silkier sauce.
• Herb swap: Try basil, chives, or dill instead of parsley for a fresh twist.
• Creamy version: Add 2–3 tablespoons heavy cream to the pan after reducing the broth for a lush, keto-friendly sauce.
• Lemon-forward: Increase lemon zest and juice, and finish with lemon slices warmed briefly in the sauce.
• Spicy scampi: Up the red pepper flakes or add a pinch of cayenne for more heat.
• Surf and turf: Toss in a handful of chopped, cooked bacon or serve alongside a seared steak for a decadent low-carb dinner.
• Veggie boost: Add sautéed mushrooms or asparagus tips to stretch the dish while keeping it light.

FAQ

Is white wine keto-friendly in this recipe?

Dry white wine adds great flavor, and most of the carbs cook off as it reduces.

For stricter keto, use low-sodium chicken broth instead. Either way, keep the quantity modest and focus on balance.

Can I use frozen shrimp?

Yes. Thaw them overnight in the fridge or quickly under cold running water.

Pat them very dry before cooking to get a good sear and prevent a watery sauce.

What size shrimp works best?

Large or extra-large shrimp (16/20 to 21/25 count) are ideal. They cook evenly and stay juicy, and they’re easier to sear without overcooking.

How do I keep zucchini noodles from getting soggy?

Salt them lightly and let them sit for 5–10 minutes, then pat dry. Sauté just 1–2 minutes in a hot pan and drain any excess liquid.

Toss with sauce right before serving.

Can I make this dairy-free?

Use all olive oil or swap butter for a dairy-free butter alternative. The flavor will be slightly different but still delicious and fully keto.

What can I use instead of shrimp?

Scallops work beautifully—sear 1–2 minutes per side, then follow the same sauce steps. You can also use chunks of firm white fish like cod or halibut, cooked gently until flaky.

How do I know when shrimp are done?

They turn pink and opaque with a gentle C-shape.

If they curl tightly into an O, they’re likely overcooked. Pull them as soon as the centers turn opaque.

Can I make it ahead?

It’s best made fresh. You can prep the garlic, zest the lemon, and spiralize zucchini ahead of time.

Cook the shrimp and sauce just before serving for the best texture.

What’s a good side dish that stays keto?

Cauliflower rice, roasted asparagus, sautéed spinach, or a crisp green salad with olive oil and lemon all pair nicely and keep carbs low.

How can I thicken the sauce without flour?

Reduce the liquid slightly longer, then swirl in a knob of cold butter off the heat. The emulsification thickens the sauce naturally without starch.

Final Thoughts

Keto Garlic Butter Shrimp Scampi proves you don’t need pasta for big, satisfying flavor. With simple steps, fresh ingredients, and a bright, buttery sauce, it’s a dinner that feels both effortless and special.

Keep shrimp tender, garlic fragrant, and lemon lively, and you’ll have a go-to low-carb meal you can make any night of the week. Serve it your way and enjoy every garlicky bite.