Cajun-Spiced Shrimp Boil with Lemon and Garlic

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A flavorful shrimp boil infused with Cajun spices, fresh lemon, and garlic, offering a hearty clean-eating seafood feast. This Southern US-inspired seafood recipe (whole30, gluten free), ready in about 35 minutes, pairs large shrimp, peeled and deveined, baby red potatoes, halved, fresh lemon, quartered for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 6, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 20 min Serves 6 Southern US cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a large pot, bring 8 cups water and 1 tbsp sea salt to a boil. Add 1 lb halved baby red potatoes and 6 smashed garlic cloves, cooking for 10 minutes until potatoes are tender.
  2. Step 2: Stir in 2 tbsp Cajun seasoning and 8 oz sliced andouille sausage (omit for Whole30), simmer for 5 minutes.
  3. Step 3: Add 2 lbs peeled and deveined large shrimp and 1 quartered lemon to the pot. Cook for 3-4 minutes until shrimp turn pink and curl.
  4. Step 4: Drain the shrimp boil, transfer to a serving platter, and garnish with 1/4 cup chopped fresh parsley. Serve immediately.

Frequently asked questions

How long does Cajun-Spiced Shrimp Boil with Lemon and Garlic take to make?

Total time is about 35 minutes (15 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Cajun-Spiced Shrimp Boil with Lemon and Garlic?

Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.

Can I substitute ingredients in Cajun-Spiced Shrimp Boil with Lemon and Garlic?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Cajun-Spiced Shrimp Boil with Lemon and Garlic for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Cajun-Spiced Shrimp Boil with Lemon and Garlic whole30?

Yes — this recipe is tagged whole30, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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