This one-skillet dinner swaps rice for cauliflower rice, bringing together smoky sausage, tender shrimp, peppers, tomatoes, and Cajun seasoning in a savory, low-carb meal.
This keto jambalaya recipe has the rich, zesty character of a Creole-style jambalaya without the grain rice. The vegetables should be soft and glossy, never mushy.
Smoky sausage drippings do a lot of the flavor work, so don’t rush the first browning step. The pan will smell fantastic before the shrimp even go in.
Pat shrimp and cauliflower rice dry before cooking so the skillet sauce can reduce instead of pooling.
Essential Low-Carb Cajun Ingredients
Each ingredient gives the skillet a distinct job, from the smoky richness of sausage and bright tomato acidity to the tender, rice-like texture of cauliflower and the aromatic vegetable base.
- 1 pound shrimp (shelled, 450g)
- 1 pound Andouille sausage (450g)
- 1 tablespoon oil (15mL)
- 1 1/2 large onions (chopped, 225g)
- 3 large bell peppers (yellow, red, and green, 450g)
- 2 stalks celery (chopped, 100g)
- 3 cloves garlic (minced)
- 2 cups cauliflower rice (200g)
- 1 teaspoon salt
- 1/2 teaspoon pepper
- 1 tablespoon Cajun seasoning
- 3/4 cup + 2 tablespoons diced tomatoes (canned, 210g)
- 1/3 cup + 1 tablespoon chicken broth (95mL)
The sausage creates a smoky, savory backbone, while tomatoes and broth form the saucy base around the cauliflower rice. Taste before adding more salt at the end because andouille, broth, canned tomatoes, and Cajun seasoning can all bring their own saltiness.
The Holy Trinity: Peppers, Celery, and Onions
Onion, bell pepper, and celery are the Louisiana holy trinity. Onion supplies sweetness as it softens, celery adds a savory edge, and the three colors of peppers contribute freshness and a gentle vegetal sweetness. Garlic joins later so it stays fragrant rather than scorching.
Tomato-based jambalaya leans toward Creole red jambalaya, while brown Cajun-style versions often skip tomatoes and draw more flavor from browned meat and pan drippings. This skillet follows the red, saucy direction while keeping the cauliflower rice distinct.
Selecting Quality Andouille Sausage
Choose smoked andouille with a bold peppery aroma and check the label for added sugars, sweet glazes, and starchy fillers. Kielbasa can work if andouille is unavailable, but it usually gives a milder, less spicy result. Slice the sausage evenly so the rounds brown at the same pace.
Shrimp Selection and Prep
Use shelled shrimp that smell clean and look firm, then remove the tails before cooking for easy eating. If using thawed shrimp, blot away surface moisture so it sears gently in the simmering sauce instead of diluting it.
How to Make Keto Jambalaya
Building flavor in stages keeps this fast skillet dinner deeply savory. Brown the sausage first, then use the rendered drippings and browned bits to season the vegetables before the tomatoes, broth, cauliflower rice, and shrimp finish the dish.
- Remove the tails from the shrimp and cut the andouille into even bite-sized rounds.
Keep the shrimp separate so it can be added near the end and stay tender. - Heat the oil in a non-stick skillet, then brown the sausage until the cut sides are golden and lightly crisped.
Transfer the sausage out of the skillet once it has released flavorful drippings. - Cook the onion in the same skillet for 2-3 minutes, then add the bell peppers and celery and cook until tender.
The onion should smell sweet and look translucent before the remaining vegetables soften. - Stir in the garlic, cauliflower rice, salt, pepper, and Cajun seasoning, then simmer for several minutes.
Scrape the browned bits from the skillet bottom as the seasonings bloom and coat the cauliflower. - Add the diced tomatoes, chicken broth, and shrimp, then simmer until the liquid reduces and the mixture thickens.
The shrimp are ready when they are completely pink and opaque and the sauce clings to the ingredients. - Return the sausage to the skillet and simmer for a further minute, then remove the pan from the heat and season to taste with extra salt and pepper.
Serve right away while the cauliflower rice is tender and the shrimp are still juicy.
Understanding Low-Carb Jambalaya and Keto Suitability
Traditional jambalaya is built around long-grain white rice, which absorbs the seasoned cooking liquid but also adds substantial starch. Cauliflower rice offers a lower-carbohydrate swap that can still carry the tomato, sausage, and spice flavors associated with jambalaya.
This version centers on shrimp and sausage, with fats from the sausage and oil and plenty of aromatic vegetables for a filling low-carb main dish. It can fit a ketogenic eating pattern when the rest of your meal plan and ingredient labels align with your needs.
Mastering Texture: How to Prevent Watery Cauliflower Rice

Cauliflower rice releases moisture quickly, especially when it has been frozen or thawed. The goal is a thick, spoonable jambalaya with a glossy sauce rather than a vegetable soup.
- Watery skillet: Excess moisture from cauliflower rice or shrimp is usually the culprit. Press or pat thawed cauliflower dry, and leave the skillet uncovered so steam can escape.
- Pale sausage: Crowding or moving it too soon prevents browning. Let the rounds sit against the hot skillet until their edges turn golden before stirring.
- Flat seasoning: Commercial Cajun blends vary widely in salt and heat. Taste at the end and adjust with salt and pepper rather than adding more seasoning blindly.
- Rubbery shrimp: Shrimp cooked too early will tighten as the sauce reduces. Add it only during the final simmer and stop cooking once it turns opaque.
I prefer to let cauliflower rice cook uncovered in the seasoned skillet because the dry heat helps it take on the tomato sauce without collapsing into a wet mash.
Custom Variations and Protein Additions
The skillet method is the best choice for the saucy texture in this recipe, but a few optional directions can change the character of the meal without changing the main method.
Sheet Pan Keto Jambalaya
For a hands-off roasted version, spread the sausage, peppers, celery, onion, and cauliflower rice across a rimmed sheet pan until the vegetables develop browned edges. Add shrimp only near the end so it stays tender. This variation is drier and more caramelized than the tomato-forward skillet version.
Triple Protein With Chicken Thighs
Add browned boneless chicken thighs alongside the sausage and shrimp for a heartier Creole-style combination. Cook the chicken separately until done before incorporating it, and use a food thermometer to confirm it is fully cooked. The extra protein makes the dish especially satisfying for a substantial dinner.
Pressure Cooker and Instant Pot Adaptations
A multi-cooker can soften the vegetables and concentrate the sausage flavor, but steam can make cauliflower rice softer than desired. Keep shrimp out of the pressure phase and use residual heat to gently finish it after the cooker is opened. If bold one-pot comfort food is what you’re after, try hearty keto chili on another night.
Safe Storage, Reheating, and Meal Prep Guidelines

Cool leftovers promptly, transfer them to an airtight container, and keep them chilled. Reheat only the portion you plan to eat in a skillet over gentle heat, stirring just until warmed through so the shrimp does not toughen. Careful handling, chilled storage, and proper cooking of seafood can help reduce foodborne illness, as explained in seafood handling and storage practices that help prevent foodborne illness.
For meal prep, chop the onion, peppers, celery, garlic, and sausage ahead, but keep the raw shrimp chilled separately until cooking. Freezer storage is less appealing for this dish because cooked shrimp and cauliflower rice can soften noticeably after thawing.
Complementary Low-Carb Serving Ideas
Balance the smoky heat with something fresh, crisp, or gently buttery rather than another heavy dish.
- Serve it with warm keto bread for soaking up the tomato-rich skillet juices.
- Add a cold green salad dressed with a sharp lemon or vinegar-based vinaigrette to brighten the savory sausage and shrimp.
- Finish each bowl with sliced green onions, chopped flat-leaf parsley, or a favorite vinegar-based hot sauce.
Summary of Flavorful Low-Carb Jambalaya
This jambalaya brings together Cajun seasoning, smoky andouille, tender shrimp, tomatoes, and the Louisiana holy trinity in one savory skillet. Cauliflower rice keeps the dish low carb while catching all the bold pan flavors.
Brown the sausage well, keep the skillet uncovered as the sauce reduces, and add shrimp late. Those three moves make dinner feel special without making the evening complicated.
Frequently Asked Questions
Is Jambalaya Keto-Friendly?
Traditional jambalaya usually contains white rice, so it is generally higher in carbohydrates. This version replaces grain rice with cauliflower rice and uses shrimp, andouille, vegetables, tomatoes, broth, and Cajun seasoning for a low-carb alternative.
How Do I Prevent Cauliflower Rice Jambalaya From Becoming Watery?
Pat thawed cauliflower rice dry before cooking and keep the skillet uncovered during the final simmer. Let the tomatoes and broth reduce until the sauce coats the cauliflower, sausage, and shrimp instead of collecting at the bottom of the pan.
Can You Eat Andouille Sausage on a Keto Diet?
Many andouille sausages can work in a keto meal because they are primarily meat and fat. Check the package for added sugar, honey, sweet glazes, and starchy binders, since recipes vary by brand.
Can I Freeze Keto Jambalaya Made With Shrimp?
Freezing is possible, but it is not the best choice for texture. Cooked shrimp can become softer or chewier after thawing, and cauliflower rice may release extra moisture. Chilled leftovers reheated gently tend to give a better result.

Keto Jambalaya Recipe
Ingredients
- 1 pound shrimp (shelled, 450g)
- 1 pound Andouille sausage (450g)
- 1 tablespoon oil (15mL)
- 1 1/2 large onions (chopped, 225g)
- 3 large bell peppers (yellow, red, and green, 450g)
- 2 stalks celery (chopped, 100g)
- 3 cloves garlic (minced)
- 2 cups cauliflower rice (200g)
- 1 teaspoon salt
- 1/2 teaspoon pepper
- 1 tablespoon Cajun seasoning
- 3/4 cup + 2 tablespoons diced tomatoes (canned, 210g)
- 1/3 cup + 1 tablespoon chicken broth (95mL)
Instructions
- Remove the tails from the shrimp and cut the andouille into even bite-sized rounds. Keep the shrimp separate so it can be added near the end and stay tender.
- Heat the oil in a non-stick skillet, then brown the sausage until the cut sides are golden and lightly crisped. Transfer the sausage out of the skillet once it has released flavorful drippings.
- Cook the onion in the same skillet for 2-3 minutes, then add the bell peppers and celery and cook until tender. The onion should smell sweet and look translucent before the remaining vegetables soften.
- Stir in the garlic, cauliflower rice, salt, pepper, and Cajun seasoning, then simmer for several minutes. Scrape the browned bits from the skillet bottom as the seasonings bloom and coat the cauliflower.
- Add the diced tomatoes, chicken broth, and shrimp, then simmer until the liquid reduces and the mixture thickens. The shrimp are ready when they are completely pink and opaque and the sauce clings to the ingredients.
- Return the sausage to the skillet and simmer for a further minute, then remove the pan from the heat and season to taste with extra salt and pepper. Serve right away while the cauliflower rice is tender and the shrimp are still juicy.











