Keto Garlic Butter Shrimp

Featured in: Warm Family Dinners

This dish features large shrimp sautéed in rich garlic butter until tender and flavorful. Fresh zucchini noodles provide a light and crisp base, tossed with bright lemon juice and optional red pepper for a subtle kick. Garnished with parsley and Parmesan, it offers a balanced low-carb option perfect for quick, satisfying meals.

Updated on Fri, 13 Feb 2026 09:30:00 GMT
Keto Garlic Butter Shrimp over Zucchini Noodles: A low-carb dish with tender shrimp in rich garlic butter sauce served on spiralized zucchini. Save
Keto Garlic Butter Shrimp over Zucchini Noodles: A low-carb dish with tender shrimp in rich garlic butter sauce served on spiralized zucchini. | amberladle.com

There's this moment when garlic hits hot butter and the kitchen fills with that unmistakable sizzle and aroma that makes you stop whatever you're doing. That's exactly what hooked me on this dish years ago when a friend casually threw together shrimp and zucchini noodles while I watched skeptically from the counter. What seemed like a simple weeknight dinner turned into something so satisfying and elegant that I started making it constantly. The beauty of it is how quickly the flavors come together—tender shrimp, garlicky butter, fresh zucchini—without any of that heavy, bloated feeling you sometimes get. It's become my go-to when I want something that feels indulgent but doesn't compromise how I want to feel afterward.

I made this for my sister during a busy week when she mentioned being tired of the same meal rotation, and watching her face when she took that first bite was priceless. She expected something bland and diet-like, but instead got this silky, rich dish that somehow felt both comforting and refined. Since then, she requests it whenever I cook, and I've realized it's the kind of meal that makes people forget they're eating low-carb at all.

Ingredients

  • Large shrimp, peeled and deveined: The foundation of this dish—look for shrimp that smell like the ocean, not ammonia, and pat them bone-dry before cooking so they get a proper golden sear.
  • Zucchini, spiralized into noodles: Fresh zucchini works best, and spiralizing them yourself (rather than buying pre-made) keeps them from getting watery and mushy.
  • Unsalted butter: You control the salt this way, and the butter needs to be high quality since it's doing all the heavy lifting in the sauce.
  • Fresh garlic, minced: Don't even think about using jarred—the difference between fresh garlic and the bottled version is the entire flavor profile of this dish.
  • Crushed red pepper flakes: Optional but honestly worth it; they add a gentle warmth that makes the garlic and butter sing.
  • Lemon juice: The acid brightens everything and cuts through the richness beautifully.
  • Fresh parsley and Parmesan: These finishing touches transform the dish from simple to something you'd order at a nice restaurant.

Instructions

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Dry and season your shrimp:
Pat them thoroughly with paper towels—moisture is the enemy of a good sear. A light sprinkle of salt and pepper is all they need at this stage.
Sear the shrimp in the first batch of butter:
Get your skillet screaming hot over medium-high heat, then add the shrimp in a single layer. You'll hear them hit the pan and start to curl up, turning from gray to that gorgeous translucent pink in about 2-3 minutes per side.
Create the garlic butter moment:
Once the shrimp are out of the pan, add the remaining butter and minced garlic to the same hot surface. That 30 seconds of sautéing releases all the aromatic oils—you'll know it's ready when the smell hits you.
Build the sauce with red pepper and lemon:
Stir in the red pepper flakes if you're using them, then add the lemon juice. The acid will sizzle slightly and smell incredible.
Cook the zucchini noodles gently:
Add them to the pan and toss gently with tongs for just 2-3 minutes. They should still have a slight firmness to them, not turn into mush—think al dente pasta texture.
Bring everything back together:
Return the shrimp to the skillet and toss everything for about a minute until the heat is distributed evenly and flavors meld.
Finish and serve immediately:
Turn off the heat, scatter the fresh parsley over top, add Parmesan if you're using it, and serve right away while everything is at its peak.
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Mix batters, prep ingredients, grate vegetables, and store leftovers easily during baking and everyday cooking.
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Succulent garlic butter shrimp paired with fresh zucchini noodles for a keto-friendly meal that's both light and satisfying. Save
Succulent garlic butter shrimp paired with fresh zucchini noodles for a keto-friendly meal that's both light and satisfying. | amberladle.com

There was this dinner party where I made this dish, and one of my guests—who's always skeptical about anything that feels 'diet-focused'—asked for the recipe before dessert was even served. It became this funny running joke that proved to me how a dish stops mattering whether it's keto or not when it simply tastes good and makes people happy.

The Magic of Garlic Butter Simplicity

What makes this recipe work so well is restraint—there are no complicated techniques or ten-step flavor-layering situations happening here. The garlic butter sauce is exactly what it claims to be, which somehow makes it better than dishes trying to be more complicated. That straightforward approach is actually why this dish feels elegant; nothing distracts from the core flavors of sweet shrimp, nutty butter, and bright lemon.

Zucchini Noodles as the Perfect Canvas

I used to think zucchini noodles were just a substitution, a compromise version of 'real' pasta, until I started treating them as their own thing with their own texture and flavor. They're delicate, slightly sweet, and they absorb the garlic butter sauce beautifully without getting heavy. The key is cooking them quickly and keeping them just tender rather than overworking them into submission.

Timing and Temperature Control

The entire dance of this dish happens in maybe eight minutes of actual cooking, which means temperatures matter more than usual. You need your pan hot for the shrimp sear but then slightly gentler for the zucchini noodles, so pay attention to when you adjust your heat. This isn't a set-it-and-forget-it situation—it's an active, engaged kind of cooking where you're tasting as you go and adjusting seasonally.

  • Use medium-high heat for the shrimp sear to get that golden exterior while keeping the inside tender.
  • Drop to medium heat once you add the zucchini noodles so they warm through without releasing all their moisture.
  • Keep tongs nearby and have everything prepped before you start cooking, because this moves quickly.
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Low-carb Keto Garlic Butter Shrimp served over vibrant zucchini noodles, perfect for a quick, flavorful, and healthy dinner. Save
Low-carb Keto Garlic Butter Shrimp served over vibrant zucchini noodles, perfect for a quick, flavorful, and healthy dinner. | amberladle.com

This meal has become my answer to the question of what to make when I want something that feels both nourishing and indulgent. It's low-carb without feeling restrictive, fast without feeling rushed, and genuinely delicious in a way that makes you forget you're being careful about anything.

Recipe FAQs

Can I use frozen shrimp for this dish?

Yes, thaw frozen shrimp completely and pat dry before cooking to ensure they sauté evenly and develop a good sear.

How do I spiralize zucchini properly?

Use a spiralizer or julienne peeler to create uniform, noodle-like strands; avoid over-spiralizing to maintain texture during cooking.

What can I substitute for shrimp?

Scallops or diced chicken breast work well as alternatives, adjusting cooking times accordingly to ensure proper doneness.

How do I prevent zucchini noodles from becoming soggy?

Cook zucchini noodles briefly over medium heat, just until tender but still firm, to retain their texture and prevent sogginess.

Is it necessary to use Parmesan cheese?

Parmesan is optional and adds a savory finish, but the dish is flavorful enough without it if you prefer to omit dairy.

Keto Garlic Butter Shrimp

Shrimp cooked in garlic butter and served atop tender zucchini noodles for a light, flavorful dish.

Prep time
15 min
Cook time
10 min
Overall time
25 min
Created by Rachel Hayes


Skill required Easy

Cuisine American

Makes 4 Serving size

Diet preferences No gluten, Low Carb

What you need

Seafood

01 1 lb large shrimp, peeled and deveined

Vegetables

01 4 medium zucchini, spiralized into noodles
02 2 tbsp fresh parsley, finely chopped
03 1 tbsp lemon juice

Sauce & Seasoning

01 4 tbsp unsalted butter
02 5 cloves garlic, minced
03 1/2 tsp crushed red pepper flakes
04 1/2 tsp sea salt
05 1/4 tsp freshly ground black pepper

Garnish

01 1/4 cup grated Parmesan cheese, optional

How to make it

Step 01

Prepare the shrimp: Pat shrimp dry with paper towels and season lightly with salt and pepper.

Step 02

Sear the shrimp: Heat 2 tablespoons of butter in a large skillet over medium-high heat. Add shrimp and sauté for 2 to 3 minutes per side, until pink and opaque. Remove shrimp from the pan and set aside.

Step 03

Create the garlic butter base: In the same skillet, add the remaining butter and minced garlic. Sauté for 30 seconds, or until fragrant. Stir in red pepper flakes and lemon juice.

Step 04

Cook the zucchini noodles: Add zucchini noodles to the skillet and toss to combine. Cook for 2 to 3 minutes, just until noodles are tender but still have bite.

Step 05

Finish and serve: Return shrimp to the skillet and toss everything together for 1 minute to heat through. Remove from heat, sprinkle with chopped parsley and Parmesan cheese if desired. Serve immediately.

Equipment needed

  • Large skillet
  • Spiralizer or julienne peeler
  • Tongs
  • Cutting board and knife

Allergy info

Always review ingredients for allergens. Talk to your healthcare provider if you're unsure.
  • Contains shellfish (shrimp)
  • Contains dairy (butter and optional Parmesan)
  • Double-check labels if using pre-grated cheese

Nutrition details (each serving)

Nutritional details are for reference and aren't a substitute for healthcare guidance.
  • Calorie Count: 260
  • Fat content: 15 g
  • Carbohydrate: 6 g
  • Protein amount: 24 g