About This Recipe

When you’re craving something bold, fiery, and deeply satisfying, this Keto Cajun Shrimp Skillet delivers every time. Cajun food is famous for its punchy seasoning blends, aromatic spices, and vibrant colors – and the beauty is, you don’t need to spend hours in the kitchen to enjoy it. With just a handful of ingredients, you can bring restaurant-quality flavors to your dinner table in under half an hour.

This dish revolves around shrimp, which cook incredibly quickly and absorb spices beautifully. Combined with zucchini, bell peppers, and onions, you get a balanced low-carb meal that doesn’t feel restrictive. Every bite offers the kick of Cajun spices, the sweetness of sautéed vegetables, and the freshness of a squeeze of lime at the very end.

One of the best parts of this recipe is its flexibility. You can easily adjust the spice level – add extra cayenne if you want more heat, or keep it mild with just smoked paprika and garlic powder. It’s also a one-pan dish, which means less cleanup and more time to enjoy your meal. Pair it with cauliflower rice if you want a complete dinner that feels hearty without the carbs.

Nutritionally, this dish is packed with lean protein, healthy fats from olive oil, and fiber from fresh veggies, making it a perfect fit for keto or any low-carb lifestyle. It’s the kind of recipe that works for busy weeknights, meal prep, or even when you want to impress guests with something flavorful but effortless. With just one bite, you’ll see why Cajun cuisine is loved worldwide – bold flavors, spicy comfort, and total satisfaction without the carbs.

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Why You’ll Love This Recipe

Quick & Easy: Ready in just 20 minutes—perfect for busy weeknights.
Bold Cajun Flavor: Smoky, spicy, and buttery all at once.
Keto-Friendly: Only 4g net carbs per serving.
Versatile: Serve alone, with cauliflower rice, or over zucchini noodles.
Meal-Prep Friendly: Stores well and reheats beautifully.

Servings: 4

Ingredients

1 lb (450 g) large shrimp, peeled and deveined
2 tbsp butter
1 tbsp olive oil
3 cloves garlic, minced
1 red bell pepper, sliced
1 small zucchini, sliced
2 tbsp Cajun seasoning (adjust to spice preference)
Salt & pepper, to taste
Fresh parsley, for garnish
Lemon wedges, for serving

Instructions

Heat butter and olive oil in a large skillet over medium-high heat.
Add garlic, bell pepper, and zucchini. Cook for 3–4 minutes until softened.
Season shrimp with Cajun spice, salt, and pepper.
Add shrimp to skillet and cook 2–3 minutes per side until pink and opaque.
Toss everything together and garnish with parsley.
Serve immediately with lemon wedges.

Nutrition

(per serving)

Calories: 290
Fat: 17 g
Protein: 28 g
Net Carbs: 4 g
Fiber: 1 g

FAQ

Can I use frozen shrimp?
Yes! Just thaw them completely and pat dry before cooking to avoid extra water in the skillet.

Is Cajun seasoning spicy?
It can be, depending on the blend. You can reduce the spice by using less seasoning or adding a pinch of smoked paprika instead of cayenne.

Can I make this dairy-free?
Yes—just swap butter for extra olive oil or coconut oil.

How do I store leftovers?
Keep leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in a skillet to avoid overcooking the shrimp.

Variations & Substitutions

Swap shrimp for chicken or salmon.
Use zucchini noodles instead of cauliflower rice.
Add mushrooms or spinach for extra vegetables.
Try blackened seasoning for a twist on Cajun flavor.

Serving Suggestions

Serve over cauliflower rice for a classic keto dinner.
Pair with a side salad for a light, refreshing meal.
Add zucchini noodles for a hearty, pasta-style version.
Serve with roasted broccoli for extra fiber and crunch.

Recipe Card

Keto Cajun Shrimp Skillet – Spicy Low-Carb Dinner in 20 Minutes

Name: Keto Cajun Shrimp Skillet
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Yield: 4 servings
Cuisine: Cajun
Ingredients: 450 g large shrimp, peeled and deveined; 2 tbsp olive oil; 1 red bell pepper, sliced; 1 small zucchini, sliced; 2 cloves garlic, minced; 1 tbsp Cajun seasoning; Salt & pepper, to taste; Fresh parsley or cilantro, chopped (for garnish); Lemon wedges, for serving

A quick and spicy low-carb shrimp skillet loaded with bold Cajun flavors. Perfect for a 20-minute keto dinner packed with protein and flavor.

Yield: 4 servings • Prep: 10 min • Cook: 10 min • Total: 20 min

Ingredients

450 g large shrimp, peeled and deveined
2 tbsp olive oil
1 red bell pepper, sliced
1 small zucchini, sliced
2 cloves garlic, minced
1 tbsp Cajun seasoning
Salt & pepper, to taste
Fresh parsley or cilantro, chopped (for garnish)
Lemon wedges, for serving

Instructions

Heat olive oil in a large skillet over medium-high heat.
Add bell pepper, zucchini, and garlic. Sauté 3–4 minutes until slightly tender.
Season shrimp with Cajun seasoning, salt, and pepper.
Add shrimp to skillet and cook 2–3 minutes per side until pink and opaque.
Toss everything together, garnish with parsley, and serve with lemon wedges.

Nutrition (per serving)

Calories: 280
Fat: 16 g
Protein: 28 g
Net Carbs: 4 g
Fiber: 2 g

Dinner • Cajun / Low Carb / Keto • keto cajun shrimp, spicy shrimp skillet, low carb dinner

Final Thoughts

🔥 This Keto Cajun Shrimp Skillet is everything you want in a low-carb dinner—fast, bold, and packed with flavor. Whether you’re cooking for yourself or the whole family, it’s a dish that delivers satisfaction without the carbs. And honestly, who doesn’t love a recipe that’s ready in under 20 minutes? 😉