Keto Cajun Shrimp Sausage

Featured in: Evening Table Recipes

This dish combines juicy shrimp and smoky sausage with crisp bell peppers, all tossed in zesty Cajun spices. Quick to prepare and cook, it’s a perfect low-carb, gluten-free meal to enjoy any night. Simply sauté the sausage and vegetables, add seasoned shrimp, then finish cooking together in one pan. Garnish with fresh parsley and lemon for added brightness. Optional tweaks include butter for richness or turkey sausage for a lighter touch.

Updated on Wed, 11 Feb 2026 16:22:00 GMT
Keto Cajun Shrimp and Sausage Skillet sizzling in a cast-iron pan, with tender shrimp, smoky sausage, and colorful bell peppers tossed in bold Cajun spices. Save
Keto Cajun Shrimp and Sausage Skillet sizzling in a cast-iron pan, with tender shrimp, smoky sausage, and colorful bell peppers tossed in bold Cajun spices. | dailyhlib.com

My coworker Sarah brought this skillet to our office lunch one Friday, and the smell alone had everyone hovering around her desk before noon. She mentioned it took her barely twenty minutes to pull together, and I was skeptical until I made it myself that same evening. The kitchen filled with this smoky, spicy aroma that felt way more impressive than the actual effort required. Now whenever I need something that tastes like I've been cooking all day but haven't, this is my go-to.

I made this for my partner last month when they weren't feeling great, and watching them perk up after the first bite reminded me why good food matters beyond just nutrition. The boldness of those Cajun spices somehow felt healing, not heavy. They asked me to make it again the next day, which in our house is basically a standing ovation.

Ingredients

  • Large raw shrimp, peeled and deveined (400 g): Buy them from the seafood counter if possible, because they truly make a difference in texture and sweetness compared to frozen-then-thawed versions.
  • Andouille or smoked sausage (250 g), sliced into 1/2-inch rounds: This is where the soul of the dish lives, so don't skimp or substitute with something bland here.
  • Red and green bell peppers, sliced: The color contrast is beautiful, but also they cook at slightly different rates, so the texture becomes more interesting.
  • Small red onion, thinly sliced: Red onion stays slightly sweet rather than aggressive, which balances the heat beautifully.
  • Garlic, minced (2 cloves): Fresh garlic only, and add it just before the shrimp so it doesn't burn and turn bitter.
  • Olive oil (2 tbsp): Split between cooking the sausage first and then the vegetables, so each element gets its moment.
  • Cajun seasoning (1 tbsp), sugar-free version: Read the label carefully because most store-bought blends sneak in sugar, which defeats the whole keto purpose.
  • Smoked paprika (1/2 tsp): This adds depth that regular paprika can't touch, so it's worth keeping in your pantry.
  • Cayenne pepper (1/4 tsp, optional): Only add this if you actually like heat, because it builds quickly and there's no pulling it back once it's in.
  • Salt and freshly ground black pepper: Season as you go, especially after the shrimp goes in, because they need proper seasoning to taste like themselves.
  • Fresh parsley and lemon wedges, for serving: The parsley adds a fresh green note that cuts through the richness, and lemon just brightens everything up.

Instructions

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Brown the sausage first:
Heat 1 tablespoon of olive oil over medium-high heat and get those sausage rounds golden on both sides, about 3 to 4 minutes total. The edges should have some caramelized color because that's where the flavor deepens.
Build your vegetable base:
Set the sausage aside and add the remaining oil to the skillet, then add peppers and onion. Let them soften and slightly char for about 3 to 4 minutes, then add garlic for just 1 minute more so it doesn't burn.
Cook the shrimp through:
Add your shrimp directly to the vegetables and sprinkle in all your seasonings right away. Stir constantly for 2 to 3 minutes, and watch as they transform from gray to that beautiful opaque pink that means they're done.
Bring it all together:
Return the sausage to the pan and toss everything for about 2 minutes just to let all the flavors mingle. You're not cooking anything further at this point, just creating one unified, hot dish.
Finish and serve:
Remove from heat, scatter the parsley over top, and serve immediately with lemon wedges on the side. The heat of the skillet will keep everything warm while you plate up.
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My neighbor actually asked me what I was cooking last week because the smell drifted through her open window. I invited her over on the spot, and we ended up having an impromptu dinner that turned into a longer conversation than either of us expected. Food that makes people pause and pay attention is something special.

Timing and Temperature Matter

The biggest mistake I made the first time was trying to cook everything at once instead of respecting the order. Sausage needs time to brown and develop flavor, vegetables need time to caramelize slightly, and shrimp needs to cook fast and hot once everything else is ready. Getting the pan genuinely hot before adding proteins makes all the difference between something that tastes homemade and something that tastes truly cooked.

Customizing for Your Heat Tolerance

I've made this for people across the entire spice spectrum, and the beauty is you can adjust without ruining anything. Start with just the Cajun seasoning and smoked paprika, then add cayenne only for yourself if you want more kick. One friend who's heat-sensitive appreciated it when I reduced the Cajun seasoning to 2 teaspoons and added more garlic instead, which gave it complexity without the burn.

Sides and Serving Suggestions

Straight from the skillet is wonderful, but if you want something more substantial, sautéed cauliflower rice absorbs all those beautiful spices without adding carbs. I've also tried it over zucchini noodles, and the sauce coats them beautifully. The lemon wedges are essential because they brighten the richness and make each bite feel fresh.

  • Serve with cauliflower rice if you want a heartier low-carb meal that soaks up all the flavors.
  • Add a squeeze of fresh lemon right before eating to cut through the smokiness and spice perfectly.
  • Make extra parsley garnish because it really does change how the dish tastes with every bite.
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A vibrant one-pan meal featuring juicy shrimp and andouille sausage, sautéed with crisp bell peppers and zesty Cajun seasoning for a low-carb dinner. Save
A vibrant one-pan meal featuring juicy shrimp and andouille sausage, sautéed with crisp bell peppers and zesty Cajun seasoning for a low-carb dinner. | dailyhlib.com

This dish has become one of those meals I make when I want to impress without stress, and it never disappoints. The combination of smoky sausage, tender shrimp, and bold Cajun spices just works, and it's ready faster than delivery would arrive.

Recipe FAQs

Can I use turkey sausage instead of smoked sausage?

Yes, turkey sausage is a great lighter alternative while still providing flavor and texture.

How spicy is this dish with Cajun seasoning and cayenne?

The spice level can be adjusted by reducing or omitting the cayenne pepper for a milder taste.

What is the best way to cook the shrimp evenly?

Cook shrimp just until they turn pink and opaque, about 2-3 minutes, to avoid overcooking and maintain tenderness.

Can I add vegetables other than bell peppers?

Yes, vegetables like zucchini or mushrooms can be added to enhance the dish’s flavor and texture.

What can I serve this with to make it a complete meal?

Serving over sautéed cauliflower rice or leafy greens complements the low-carb profile while adding extra volume.

Keto Cajun Shrimp Sausage

Bold Cajun skillet with shrimp, sausage, bell peppers, and spices for a flavorful low-carb option.

Prep time
10 minutes
Time to cook
15 minutes
Total duration
25 minutes
Created by Declan OBrien


Skill level Easy

Cuisine type American Cajun

Makes 4 Number of servings

Dietary info No dairy, No gluten, Low carb

Needed ingredients

Proteins

01 14 oz large raw shrimp, peeled and deveined
02 9 oz andouille or smoked sausage, sliced into 1/2-inch rounds

Vegetables

01 1 large red bell pepper, sliced
02 1 large green bell pepper, sliced
03 1 small red onion, thinly sliced
04 2 cloves garlic, minced

Fats & Seasonings

01 2 tablespoons olive oil
02 1 tablespoon sugar-free Cajun seasoning
03 1/2 teaspoon smoked paprika
04 1/4 teaspoon cayenne pepper, optional
05 Salt and freshly ground black pepper to taste

Garnish

01 2 tablespoons chopped fresh parsley
02 Lemon wedges for serving

How to make it

Step 01

Sear the sausage: Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add sliced sausage and cook for 3-4 minutes until browned on all sides. Transfer to a plate and set aside.

Step 02

Cook the vegetables: Add remaining olive oil to the skillet. Sauté bell peppers and red onion for 3-4 minutes until tender-crisp. Stir in minced garlic and cook for 1 minute until fragrant.

Step 03

Cook the shrimp: Add shrimp to the skillet and season with Cajun seasoning, smoked paprika, cayenne pepper if desired, salt, and black pepper. Cook for 2-3 minutes, stirring frequently, until shrimp turn pink and opaque.

Step 04

Combine and finish: Return cooked sausage to the skillet and toss all ingredients together. Cook for 2 minutes to heat through and meld flavors.

Step 05

Plate and serve: Remove from heat, sprinkle with fresh parsley, and serve immediately with lemon wedges on the side.

Tools you'll need

  • Large skillet (12-inch preferred)
  • Tongs or silicone spatula
  • Sharp chef's knife and cutting board

Allergy details

Look into every ingredient for allergens and check with a doctor if you're unsure.
  • Contains shellfish (shrimp)
  • Sausage may contain soy or dairy—verify product labels for specific allergen information
  • Ensure certified gluten-free sausage for complete gluten-free compliance

Nutrition details (per serving)

Nutrient details are for reference and aren't a substitute for doctor's advice.
  • Calories: 340
  • Total fat: 23 grams
  • Carbohydrates: 6 grams
  • Proteins: 26 grams