Keto Cajun Shrimp

Keto cajun shrimp cooks in one skillet in about fifteen minutes, with garlic butter, zesty Cajun seasoning, and a pour of heavy cream forming a rich low carb sauce around plump pink shrimp.

There is no flour, pasta, or breading involved, so it fits low carb eating while still tasting satisfying and full of savory heat.

Why This Keto Cajun Shrimp Recipe Works

Heavy cream thickens quickly into a silky sauce without any flour or cornstarch, so the dish stays low in carbohydrates and still feels creamy.

Cajun seasoning packs paprika, garlic, onion, and cayenne into one jar, which gives the shrimp deep color and layered flavor in a single step.

Shrimp cook in only a few minutes, so the whole skillet comes together fast and the seafood stays tender as long as you pull it off the heat on time.

Ingredients for Keto Cajun Shrimp

  • Gather large shrimp, butter, garlic, heavy cream, Cajun seasoning, salt, pepper, and fresh parsley, which makes a short and simple shopping list.
  • Check your seasoning label for added sugar or starch if you follow a strict low carb plan, since some blends include fillers.

Shrimp. Large peeled shrimp cook evenly, and leaving the tails on adds a nice look but is optional.

Butter. It carries the garlic flavor and gives the sauce a rounded, buttery taste.

Heavy cream. Full fat cream is key for thickness, since milk or half and half will not reduce into the same silky sauce.

Cajun seasoning. Start with the amount in the recipe and adjust once you know how salty and spicy your blend is.

Garlic. Fresh minced cloves give a stronger aroma than jarred garlic and bloom nicely in hot butter.

How to Make Keto Cajun Shrimp

1. Melt the butter. Warm the butter in a large skillet over medium heat until it foams gently, without letting it brown.

2. Cook the garlic. Add the garlic and stir for one to two minutes until fragrant but not browned.

3. Add the shrimp. Stir in the shrimp and Cajun seasoning and cook for three to four minutes, turning once, until the shrimp turn pink and opaque.

4. Pour in the cream. Add the heavy cream and simmer gently, stirring now and then, until the sauce thickens enough to coat the shrimp.

5. Season and serve. Taste the sauce, add salt and pepper if needed, and sprinkle with parsley before serving hot.

How to Serve Keto Cajun Shrimp

Spoon the shrimp over cauliflower rice or zucchini noodles to keep the meal low carb. Roasted green beans with garlic and lemon almond green beans make easy vegetable sides, and Mediterranean tuna salad adds a cool contrast. Guests who eat grains can add garlic cilantro lime rice.

How to Store and Reheat Keto Cajun Shrimp

Cool the shrimp quickly and refrigerate them in a covered container within two hours, then eat them within two days. Reheat gently in a skillet over low heat with a spoonful of cream or water, stirring until just warm, because overcooked shrimp turn rubbery. Do not freeze the finished dish, since the cream sauce can separate.

Tips and Variations for Keto Cajun Shrimp

Flag the allergens. This dish contains shellfish and milk, and some Cajun blends include other allergens, so read the label.

Do not taste raw shrimp. Keep raw shrimp cold until cooking, and wash your hands, board, and tools after handling it.

Dry the shrimp. Pat them dry so the butter sauce does not thin out with extra water.

Do not overcook. Remove the pan from the heat as soon as the shrimp curl into a loose C and look pink and opaque.

Simmer gently. Keep the cream at a soft bubble, because a hard boil can make the sauce split.

Control the spice. Reduce the Cajun seasoning for a milder dish or add a pinch of cayenne for more heat.

Add vegetables. Spinach, mushrooms, or sliced bell pepper stir in easily during the last minutes of cooking.

Check trusted guidance. For safe seafood handling and leftovers, read the FDA safe food handling guidance.

Frequently Asked Questions About Keto Cajun Shrimp

Is keto cajun shrimp really low carb?

Yes, the main ingredients are shrimp, butter, cream, and spices, which together add only a few grams of carbohydrate per serving.

Can I make keto cajun shrimp without cream?

You can use full fat coconut milk or a bit of cream cheese, though the flavor and texture will change slightly.

How spicy is keto cajun shrimp?

It has a medium heat that depends on your seasoning blend, and the cream mellows it.

Can I use frozen shrimp?

Yes, thaw them fully in the refrigerator and dry them well before cooking.

What can I serve it with?

Cauliflower rice, zucchini noodles, or a green salad keep the meal low carb.

Keto Cajun Shrimp

Plump shrimp cooked in garlic butter and Cajun spices with a splash of heavy cream for a low carb skillet dinner.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Course Main Course
Cuisine American
Servings 4 servings
Calories 387 kcal

Equipment

  • Large skillet
  • Wooden spoon

Ingredients
  

Main Ingredients

  • 1 lb large shrimp peeled and deveined
  • 3 tbsp butter
  • 4 cloves garlic minced
  • 1 cup heavy cream
  • 1 tbsp Cajun seasoning
  • ½ tsp salt
  • ¼ tsp black pepper
  • 2 tbsp fresh parsley chopped, optional

Instructions
 

Cooking

  • Melt. Warm the butter in a large skillet over medium heat.
  • Cook. Stir in the garlic for one minute, then add the shrimp and Cajun seasoning.
  • Simmer. Cook until the shrimp are pink, then pour in the cream and simmer until thick.
  • Serve. Season to taste and top with parsley.

Notes

Substitutions: Use coconut cream for a dairy free option and cauliflower rice or zucchini noodles as a base.
Tips: Do not overcook the shrimp and keep the cream at a gentle simmer.
Storage: Refrigerate for up to two days and reheat gently.
Nutrition is calculated per serving.
Keyword Butter, Cajun Seasoning, Heavy Cream, Keto Cajun Shrimp, Shrimp