Cajun Shrimp and Sausage Skillet (Keto, 20 Minutes)

cajun shrimp and sausage skillet with bell peppers and zucchini in a cast iron pan

Cajun Shrimp and Sausage Skillet (Keto, One Pan)

This keto Cajun shrimp and sausage skillet puts a bold, smoky dinner on the table in 20 minutes. Juicy shrimp and sliced andouille sausage are seared with colorful bell peppers and zucchini, tossed in buttery Cajun seasoning. One pan, about 5g net carbs, and zero effort — this is the low carb weeknight dinner your rotation has been missing.

Why This Cajun Shrimp Skillet Works Every Time

  • Done in 20 minutes — one skillet, no oven, no boiling water
  • Keto and low carb — approximately 5g net carbs per serving with real vegetables
  • Big Cajun flavor — smoky andouille, smoked paprika, and garlic butter bring serious depth
  • High protein — shrimp plus sausage keeps you satisfied for hours
  • Meal prep friendly — stores well for 3 days, reheats in a skillet

Ingredients You Need

  • 1 lb (450g) large shrimp, peeled and deveined
  • 12 oz (340g) andouille sausage or smoked sausage, sliced into coins
  • 1 medium zucchini, halved and sliced
  • 1 bell pepper (any color), diced
  • 3 garlic cloves, minced
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 2 tsp Cajun seasoning (check for sugar-free if strict keto)
  • 1/2 tsp smoked paprika
  • Salt and black pepper to taste
  • Fresh parsley and lemon wedges to serve

Step-by-Step Instructions

Step 1 — Sear the sausage. Heat olive oil in a large skillet over medium-high heat. Add sausage slices in a single layer and cook 3 minutes per side until browned and crispy at the edges. Remove to a plate.

Step 2 — Cook the vegetables. In the same skillet with the rendered fat, add diced bell pepper and sliced zucchini. Saute 3 to 4 minutes until slightly softened but still with a bite. Add minced garlic and cook 30 seconds until fragrant.

Step 3 — Cook the shrimp. Push vegetables to the side of the skillet. Add butter and shrimp to the open space. Season everything with Cajun seasoning and smoked paprika. Cook shrimp 2 minutes per side until pink and curled.

Step 4 — Combine and serve. Return the seared sausage to the skillet. Toss everything together for 1 minute to marry the flavors. Squeeze fresh lemon juice over the top and garnish with chopped parsley. Serve immediately.

Serving Ideas for Cajun Shrimp and Sausage

  • Keto: serve as-is or over cauliflower rice for a complete low carb meal
  • Not keto: serve over white rice, egg noodles, or with warm crusty bread to soak up the butter
  • Meal prep: portion into glass containers — reheats well in a skillet for up to 3 days
  • Creamy version: add 1/2 cup heavy cream and 2 tbsp Parmesan after Step 4, simmer 2 minutes until thickened

Tips for the Best Keto Cajun Shrimp Skillet

  • Pat shrimp completely dry — wet shrimp will steam instead of sear, and you want that golden color
  • Don’t crowd the pan — use a 12-inch skillet so everything browns instead of steaming
  • Use pre-cooked smoked sausage — andouille is the classic Cajun choice. Raw sausage takes too long for a 20-minute recipe
  • Check your Cajun seasoning — some store-bought blends contain sugar. For strict keto, read labels or make your own blend

Frequently Asked Questions

What sausage works best for Cajun shrimp and sausage skillet?

Andouille sausage is the traditional Cajun pick — smoky and spicy. Kielbasa gives milder heat. Chicken sausage keeps it lighter. Always use pre-cooked smoked sausage for a quick 20-minute cook time.

Can I make this Cajun skillet without shrimp?

Yes — double the sausage and add more vegetables like broccoli or asparagus. Chicken breast cut into bite-sized pieces also works well but needs about 6 minutes per side to cook through.

Is Cajun shrimp and sausage skillet really keto?

Yes. Shrimp, sausage, zucchini, and bell peppers are all low carb. One serving has approximately 5g net carbs. Check your Cajun seasoning blend for hidden sugar if you are strict keto.

How do I add a cream sauce to this recipe?

After combining everything in Step 4, pour in 1/2 cup heavy cream and 2 tbsp grated Parmesan. Simmer 2 minutes until the sauce thickens. This adds about 3g net carbs per serving.

How spicy is this Cajun shrimp skillet?

With 2 tsp Cajun seasoning, it is a comfortable medium heat. For mild, reduce to 1 tsp. For extra heat, increase to 1 tablespoon or add 1/4 tsp cayenne pepper. The butter mellows the spice considerably.

Can I use frozen shrimp for this recipe?

Yes — thaw under cold running water for 5 minutes before cooking. Pat completely dry with paper towels afterward. Wet shrimp will steam rather than sear and will not develop that golden crust.

How do I store and reheat leftovers?

Refrigerate in an airtight container for up to 3 days. Reheat in a skillet over medium heat for about 3 minutes. Avoid microwaving on high — the shrimp can become rubbery.

Can I make Cajun shrimp and sausage on a sheet pan?

Yes — spread everything on a lined sheet pan and bake at 425 degrees F for 15 minutes, tossing halfway through. The sheet pan method is easier for feeding a crowd.

What vegetables can I add to this keto skillet?

Brussels sprouts, broccoli florets, asparagus, green beans, and cherry tomatoes all work. Avoid starchy vegetables like potatoes or corn if you are keeping it keto.

Is this recipe good for meal prep?

Yes — this Cajun shrimp and sausage skillet holds up well for 3 days in the fridge. Reheat in a skillet rather than the microwave for the best texture. The flavors actually improve overnight.

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Dive into the Creamy Spicy Keto Shrimp and Sausage Skillet Today!

Dive into the Creamy Spicy Keto Shrimp and Sausage Skillet Today!

Recipe by Author

A delicious and keto-friendly dish that combines succulent shrimp, savory sausage, and a creamy spicy sauce. This flavorful skillet recipe is quick and easy to prepare, making it a perfect option for a satisfying meal.

Course: Main Dish Cuisine: American Difficulty: easy
4.5 from 120 votes
🍽️
Servings
4
⏱️
Prep time
15
minutes
🔥
Cooking time
15
minutes
📊
Calories
480
kcal
Cook Mode
Keep the screen of your device on

Ingredients

  • 1 lb fresh shrimp
  • 4 sausage links
  • 1 cup heavy cream
  • 2 tablespoons butter
  • 3 cloves garlic, minced
  • 1 teaspoon paprika
  • 1/2 teaspoon red pepper flakes

Directions

  1. Begin by heating a skillet over medium heat and adding butter.
  2. Sauté minced garlic until fragrant, then add sliced sausage links and cook until browned.
  3. Toss in fresh shrimp and cook until they turn pink and opaque.
  4. Sprinkle paprika and red pepper flakes into the skillet, stirring to coat the ingredients evenly.
  5. Pour in heavy cream, stirring gently to combine all the flavors.
  6. Simmer the mixture until the sauce thickens slightly, then remove from heat.
  7. Serve the Creamy Spicy Keto Shrimp and Sausage Skillet hot and garnish with fresh herbs if desired.

Nutrition Facts

Calories: 480
Fat: 38
Carbohydrates: 5
Protein: 28
Sodium: 820
Fiber: 1
Sugar: 2

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