Creamy Spicy Keto Shrimp and Sausage Skillet

This Creamy Spicy Keto Shrimp and Sausage Skillet is one of those weeknight dinners that earns a permanent spot in your recipe rotation after the very first bite. I still remember the night I threw this together on a Tuesday with nothing but a pound of shrimp, leftover smoked sausage, and a well-worn jar of Cajun seasoning sitting in my spice drawer. The moment those ingredients hit the hot skillet, the whole kitchen filled with that deep, smoky aroma, and I knew something special was happening.

My grandmother always cooked by instinct on her farm outside of town, and this dish reminds me of her approach: bold flavors, simple ingredients, and zero fuss. She never believed comfort food had to be complicated, and neither do I. This skillet captures that same warmth, the kind you feel when something rich and satisfying lands on the table after a long day. A velvety Cajun cream sauce wraps around every piece of shrimp and sausage, the peppers add just enough sweetness to balance the heat, and the whole thing comes together in under half an hour. Your kitchen is about to smell incredible.

Why This Keto Shrimp Skillet Belongs in Your Weekly Rotation

After years of cooking for my family and feeding crowds at Sunday gatherings, I have learned that the recipes people come back to week after week are the ones that deliver real, satisfying flavor without asking too much of you on a busy evening. This Creamy Spicy Keto Shrimp and Sausage Skillet checks every box.

• Ready in under 30 minutes, start to finish
• Only 3g net carbs per serving, keto and low-carb friendly
• Rich, velvety Cajun cream sauce with bold layered flavor
• Fully customizable with different proteins and vegetables
• Built from simple pantry and refrigerator staples
• One skillet, minimal cleanup

Key Players in This Recipe

Every ingredient in this skillet pulls its weight. Here is what goes in and why each one matters.

Shrimp (1 lb): The main protein and the ingredient that sets the pace of this dish. Shrimp cooks fast and soaks up Cajun flavors beautifully. Always use peeled and deveined shrimp, fresh when possible, but flash-frozen works just as well. Pat them dry before they hit the pan so you get a proper sear rather than steam.

Smoked Sausage (12 oz): Sliced into coins and seared until browned, smoked sausage adds a deep, savory richness that you cannot replicate with any other ingredient. I prefer a quality andouille or smoked kielbasa for the most flavor. Turkey or chicken sausage works if you want a lighter option.

Olive Oil (2 tbsp): Gets the skillet hot enough for a proper sear on both proteins. It handles medium-high heat well and adds a light richness to the base without competing with the Cajun flavors.

Butter (2 tbsp): Added when the vegetables go in. Butter brings a silky depth to the base and helps the onion and peppers soften without burning. Ghee works perfectly for a dairy-free version.

Onion, Red Bell Pepper, Green Bell Pepper: This trio builds the aromatic backbone of the dish. The onion adds sweetness and body, the red pepper contributes color and mild sweetness, and the green pepper balances the richness with a slight bitterness. Do not skip the green pepper; it matters more than it looks.

Cajun Seasoning (2 tbsp): The soul of the entire recipe. Not all blends are equal; if yours is very salty, start with less and taste as you go. You can also make your own with smoked paprika, garlic powder, onion powder, cayenne, and dried thyme.

Minced Garlic (4 cloves): Fresh garlic only here. Four cloves give the sauce a warm, aromatic depth that garlic powder cannot match. Watch it carefully; garlic goes from golden to bitter in under a minute.

Chicken Broth (1 cup): Deglazes the pan after the vegetables cook and lifts all the caramelized bits into the sauce. Use a good quality broth or low-sodium if your Cajun seasoning is already salty.

Heavy Whipping Cream (1 cup): This is what transforms the sauce into something truly velvety and satisfying. Keep the heat gentle once it goes in. Full-fat coconut milk is a solid dairy-free substitute.

Cayenne Pepper (1/2 tsp): Adds a clean, direct heat that layers on top of the Cajun seasoning. Start with less if you are cooking for people who prefer milder food; you can always add more at the table.

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How to Make Creamy Spicy Keto Shrimp and Sausage Skillet

1. Step 1 – Heat the Skillet: Heat 2 tablespoons of olive oil in a large skillet over medium-high heat until it shimmers, about 2 minutes. I have learned that a properly hot pan is what gets you that golden sear on the sausage rather than a grey, steamed result.
2. Step 2 – Sear the Protein: Add the shrimp and sliced smoked sausage to the hot skillet. Sprinkle with 1 teaspoon of Cajun seasoning and sauté for 4 to 5 minutes until the shrimp turns pink and the sausage develops color on the cut sides. Do not stir constantly; let them sit for a moment to build a proper crust. Remove from the skillet and set aside on a plate.
3. Step 3 – Soften the Vegetables: Lower the heat to medium and add the butter. Add the chopped onion, red bell pepper, and green bell pepper and sauté for 3 to 4 minutes until softened but still holding a little texture. My family prefers them with a slight bite, so I pull them just before they go limp.
4. Step 4 – Add the Garlic: Stir in the minced garlic and cook for 30 seconds until fragrant. This step goes fast; keep your eye on it and do not let the garlic brown.
5. Step 5 – Build the Sauce: Pour in the chicken broth, the remaining Cajun seasoning, the heavy whipping cream, and the cayenne pepper. Stir to combine and let the sauce simmer on medium heat, stirring occasionally, for about 5 minutes until it thickens to a rich, coating consistency. If it thickens too fast, add a splash of broth.
6. Step 6 – Bring It Together: Return the shrimp and sausage to the skillet and stir well to coat everything in the creamy Cajun sauce. Let it heat through for about 1 minute.
7. Step 7 – Season and Serve: Taste the sauce and season with salt and pepper. Adjust the cayenne if you want more heat. Serve immediately, garnished with freshly chopped parsley for color and freshness.

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Storage and Reheating Tips

I store leftovers in a glass airtight container in the refrigerator, where this dish keeps well for up to 3 days. Let it cool completely before sealing the lid; trapping steam inside makes the sauce watery. The sauce thickens as it chills, but it loosens right back up with gentle heat.

For freezing, this skillet holds up nicely for up to 2 months. I portion it into individual freezer-safe containers or zip-top bags with the air pressed out. Thaw overnight in the refrigerator for the best results; rushing a thaw in the microwave makes the shrimp rubbery and uneven.

To reheat, warm leftovers gently on the stovetop over low heat, stirring occasionally. Add a small splash of chicken broth or cream if the sauce looks too thick after chilling. If you use the microwave, set it to 50% power and stir halfway through to avoid overcooking the shrimp.

What to Serve with This Keto Shrimp Skillet

This skillet is satisfying on its own, but the right side dish turns it into a complete, memorable meal. Here are my top picks, all of which complement the bold Cajun cream sauce without competing with it.

• Cauliflower Rice: Light and fluffy, it soaks up every drop of the cream sauce and keeps the whole plate firmly within keto macros. This is my go-to pairing on busy weeknights.
• Zucchini Noodles: The fresh, slightly crisp texture of spiralized zucchini is a wonderful contrast to the rich sauce. If you enjoy this combination, the Garlic Butter Steak Bites with Zucchini recipe on this site uses the same pairing idea to great effect.
• Sauteed Asparagus: Crisp-tender asparagus brings a bright, slightly grassy note that balances the richness of the Cajun cream perfectly.
• Cajun Rice Side: If you want to lean into the Cajun theme even further, the Cajun Honey Garlic Sausage Rice on this site pairs the same bold seasoning profile with a satisfying rice base.
• Mixed Green Salad: A simple salad dressed with a bright lemon vinaigrette cuts through the richness and refreshes the palate between bites of the skillet.
• Crusty Bread (for non-keto guests): If you are feeding a mixed crowd, a slice of the Parmesan Garlic Artisan Bread alongside this skillet will make everyone at the table very happy.

Nonna Betty’s Tips for Best Results

• Do not overcook the shrimp. Four to five minutes until pink is all they need. Overcooked shrimp turn rubbery and dry, and no amount of sauce fixes that.
• Start with less cayenne than you think you need. You can always stir in more at the end, but you cannot dial it back once it is in the sauce.
• Use the best smoked sausage you can find. A quality andouille or kielbasa makes a noticeable difference in the depth of flavor in the final dish.
• If your sauce is too thin after the full 5 minutes of simmering, dissolve 1 tablespoon of cornstarch in a little cold water and stir it in, then let it simmer another 2 minutes.
• For meal prep, sauté the proteins and chop all the vegetables up to 24 hours ahead. Store each separately in the refrigerator and build the cream sauce fresh right before serving.
• This recipe also works beautifully as a pasta sauce if you are not following keto. Toss it with your favorite pasta shape and dinner is done.

More Recipes You Will Love

If this skillet hit the spot, here are a few more recipes from Nonna Betty’s kitchen that follow the same spirit of bold, satisfying flavor with minimal effort.

• Shrimp Sausage Dirty Rice – Another Cajun-inspired pairing of shrimp and smoked sausage, this time built around a smoky, seasoned rice base.
• Tuscan Shrimp – Shrimp in a creamy Parmesan and sun-dried tomato sauce; a different flavor profile but the same fast, satisfying skillet approach.
• Spicy Voodoo Shrimp – For anyone who loved the heat in this skillet and wants to push it further, this bold shrimp recipe delivers.
• Easy Low Carb Tuscan Chicken – A creamy, low-carb skillet dinner that makes a great alternative when you want to swap shrimp for chicken without giving up any richness.

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Creamy Spicy Keto Shrimp and Sausage Skillet

A bold Cajun cream sauce coats juicy shrimp and smoky sausage in this easy 30-minute keto skillet dinner with only 3g net carbs per serving.

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Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings: 4 portions

Course: Dinner, Main Course

Cuisine: American, Cajun

Calories: 350

Ingredients Equipment Method Notes

Ingredients

  

• 1 lb Shrimp Peeled, deveined, patted dry
• 12 oz Smoked Sausage Sliced into coins
• 2 tbsp Olive Oil
• 2 tbsp Butter Or ghee for dairy-free
• 1 Medium Onion Chopped
• 1 Red Bell Pepper Chopped
• 1 Green Bell Pepper Chopped
• 2 tbsp Cajun Seasoning Divided – use 1 tsp for protein, remainder for sauce
• 4 Cloves Garlic Minced fresh
• 1 cup Chicken Broth Low-sodium recommended if Cajun seasoning is salty
• 1 cup Heavy Whipping Cream Substitute full-fat coconut milk for dairy-free
• 1/2 tsp Cayenne Pepper Adjust to taste, start with less if sensitive to heat
• Salt and Pepper To taste

Equipment

• large skillet

Method

 

1. Heat 2 tablespoons of olive oil in a large skillet over medium-high heat until it shimmers, about 2 minutes.
2. Add the shrimp and sliced smoked sausage. Sprinkle with 1 teaspoon of Cajun seasoning. Sauté for 4 to 5 minutes until shrimp turns pink and sausage is browned. Remove from skillet and set aside.
3. Lower heat to medium. Add the butter. Sauté the chopped onion, red bell pepper, and green bell pepper for 3 to 4 minutes until softened.
4. Stir in the minced garlic and cook for 30 seconds until fragrant. Do not let it brown.
5. Pour in the chicken broth, remaining Cajun seasoning, heavy whipping cream, and cayenne pepper. Stir to combine and simmer over medium heat, stirring occasionally, for about 5 minutes until the sauce thickens.
6. Return the shrimp and sausage to the skillet. Stir well to coat everything in the creamy Cajun sauce. Heat through for 1 minute.
7. Season with salt and pepper to taste. Serve immediately, garnished with freshly chopped parsley.

Notes

Do not overcook shrimp – 4 to 5 minutes is all they need or they turn rubbery. For dairy-free: use ghee and full-fat coconut milk. If sauce is too thin, simmer longer or stir in 1 tbsp cornstarch dissolved in cold water. Store leftovers in an airtight container for up to 3 days in the refrigerator or 2 months in the freezer.