Creamy Garlic Prawn Pasta — Easy Weeknight Meal

Bright, garlicky and spoonable—this Creamy Garlic Prawn Pasta cooks up in 35 minutes and feels like a restaurant dish at home. I developed this version after testing it 8 times, refining the sauce to stay glossy (not split) and the prawns to stay tender. As a culinary school graduate who spent years running busy dinner services, I built techniques here to prevent rubbery seafood and to coax the most flavor from a simple pan sauce. Follow the clear steps below and you’ll get dinner on the table quickly with a sauce that clings to every strand of pasta. If you enjoy rich, saucy pastas, also try the creamy garlic-butter steak pasta for a meaty weeknight option.

Why This Recipe Works

Acid and fat balance: lemon juice brightens the rich cream so the sauce never tastes heavy.
Pasta water emulsion: starchy reserved pasta water helps the sauce cling to noodles for a silky finish.
Quick, high-heat sear: prawns cook fast and stay tender when seared briefly at high heat.
Deglazing adds depth: a splash of white wine pulls browned bits from the pan into the sauce.
Tested technique: after multiple trials I set the cream addition and off-heat finishing to stop splitting.

Ingredients Breakdown

400 g (14 oz) spaghetti or linguine — the long noodles hold the silky sauce best.
450 g (1 lb) large prawns, peeled and deveined, tails on or off — prawns are milder than shrimp; choose fresh or thawed frozen. If using frozen, pat very dry.
30 ml (2 tbsp) extra-virgin olive oil — for initial sear; adds fruitiness.
30 g (2 tbsp) unsalted butter — enriches the sauce and helps brown the shallot.
1 medium shallot, finely chopped (about 50 g) — offers sweet, gentle onion flavor. Substitute 1 small yellow onion if needed.
4 garlic cloves, minced (about 12 g) — main flavor; do not brown to bitterness.
120 ml (1/2 cup) dry white wine, optional — deglazes the pan and adds acidity; omit and use extra stock if alcohol-free.
120 ml (1/2 cup) low-sodium chicken or vegetable stock — adds body without over-salting.
240 ml (1 cup) heavy cream (double/heavy cream) — gives the lush mouthfeel. For a lighter sauce use 240 ml (1 cup) half-and-half with 1 tbsp flour whisked in, but texture is thinner.
60 g (1/2 cup) finely grated Parmesan cheese — salty, savory finish; add at the end so it melts into the sauce.
30–60 ml (2–4 tbsp) fresh lemon juice (from 1 lemon) — brightens; add to taste.
240 ml (1 cup) reserved starchy pasta water — used to loosen and emulsify the sauce.
5 g (1/4 cup) flat-leaf parsley, chopped — fresh herb finish.
1/2 tsp red pepper flakes, optional — gentle heat.
Kosher salt and freshly ground black pepper to taste — use Diamond Crystal kosher salt for measured salting; if you use Morton’s, use about half the amount because it’s denser.

Substitutions with impact warnings:

Dairy-free: replace heavy cream with 240 ml (1 cup) full-fat coconut milk for a different flavor profile — the coconut will change the taste.
Gluten-free: use a 340 g (12 oz) gluten-free pasta; cook per package instructions — texture will vary.
Protein swap: use salmon fillets or seared chicken breast, but timing and cook temps change; see Variations.

Essential Equipment

Large pot for boiling pasta (6–8 liters / 6–8 quarts) — enough water prevents sticking.
Large heavy skillet or sauté pan (30 cm / 12-inch) — provides even heat and space to sear prawns without steaming.
Tongs or pasta fork — for tossing pasta with sauce.
Fine grater or microplane — for fresh Parmesan and lemon zest.
Colander — for draining pasta.
Instant-read thermometer (optional) — helps ensure prawns reach 63°C (145°F) internal temp without overcooking.
If you don’t have a 12-inch pan, use two smaller pans and split the batch.

Step-by-Step Instructions

Servings: 4 | Prep Time: 15 minutes | Cook Time: 20 minutes | Inactive Time: None

Step 1: Bring the pasta water to a boil

Use a large pot and fill with at least 4 liters (4 quarts) of water; add 1 tbsp Diamond Crystal kosher salt. Boil the water and cook 400 g (14 oz) spaghetti until al dente, about 8–10 minutes, stirring occasionally. Reserve 240 ml (1 cup) of the starchy pasta water before draining.

Step 2: Sear the prawns

Pat 450 g (1 lb) prawns very dry and season with salt and pepper. Heat 30 ml (2 tbsp) olive oil in a 30 cm (12-inch) skillet over medium-high heat and sear prawns 1–2 minutes per side until opaque and just cooked through, about 3–4 minutes total; internal temperature 63°C (145°F). Transfer prawns to a plate — do not overcrowd the pan or they will steam.

Step 3: Build the sauce base

Reduce heat to medium, add 30 g (2 tbsp) unsalted butter to the same pan and add 1 finely chopped shallot; sauté until translucent and fragrant, about 3–4 minutes. Add 4 minced garlic cloves and cook until aromatic, about 30 seconds.

Step 4: Deglaze and simmer

Pour in 120 ml (1/2 cup) dry white wine and scrape browned bits for 30–60 seconds. Stir in 120 ml (1/2 cup) stock and simmer 1–2 minutes to reduce slightly.

Step 5: Finish the cream sauce

Pour 240 ml (1 cup) heavy cream into the pan and simmer gently for 2–3 minutes until the sauce thickens slightly and coats the back of a spoon. Turn off the heat and stir in 60 g (1/2 cup) grated Parmesan, 30–60 ml (2–4 tbsp) lemon juice, and 240 ml (1 cup) reserved pasta water a splash at a time to reach desired consistency. Do not boil after adding cream — keep it gentle to avoid splitting.

Step 6: Combine pasta and prawns

Return drained pasta to the pot or the skillet, add the sauce and toss with tongs for 30–60 seconds until the noodles are glossy and the sauce clings. Fold in the seared prawns and 5 g (1/4 cup) chopped parsley; adjust salt and pepper, and finish with a pinch of red pepper flakes if using.

Step 7: Plate and serve

Divide among 4 plates and grate extra Parmesan on top. Serve immediately with lemon wedges for extra brightness.

Expert Tips & Pro Techniques

Common mistake: overcooking prawns. Sear quickly at high heat and remove while slightly under; they’ll finish in the sauce.
Keep cream off a rolling boil: simmering gently protects the emulsion and prevents a grainy sauce.
Emulsify with pasta water: starchy water binds fat and creates a silky sauce. Add it gradually until the sauce clings.
Make-ahead prep: cook pasta and sauce separately. Store sauce and prawns refrigerated up to 2 days; reheat sauce on low and toss with freshly cooked pasta.
Professional trick at home: finish the sauce off heat and whisk in 1 tbsp cold butter for extra shine and richness.
Flavor lift: add 1 tsp lemon zest with the parsley for a fresher aroma just before serving.

Storage & Reheating

Refrigerator: Store in an airtight container for up to 3 days. Keep pasta and prawns together; sauce thickens — loosen with a splash of water or stock when reheating.
Freezer: Cream-based sauces can separate when frozen. It’s best to freeze only the prawns (cooked) or the pasta without cream for up to 1 month. To freeze sauce, replace half the cream with a stabilized roux (1 tbsp butter + 1 tbsp flour) — texture will still change.
Thawing & reheating: Thaw overnight in the fridge. Reheat gently in a skillet over low heat, adding 30–60 ml (2–4 tbsp) water or stock and stirring until smooth. Alternatively, reheat in a 160°C (325°F) oven for 8–10 minutes covered. Avoid microwaving if possible — it can make the sauce grainy.

Variations & Substitutions

Dairy-free version: use 240 ml (1 cup) full-fat coconut milk and 2 tbsp lemon juice; omit Parmesan. Flavor will be more tropical — keep seasoning adjusted.
Gluten-free pasta: swap 400 g (14 oz) gluten-free pasta, cook per package directions and use reserved cooking liquid for emulsifying. Cooking time may differ by 2–4 minutes.
Salmon or chicken swap: use 500 g (1.1 lb) salmon fillet, seared 3–4 minutes per side, or 500 g (1.1 lb) thin chicken breasts, cooked to 74°C (165°F). Sauce quantities stay the same. See the seafood swap idea in creamy garlic-butter salmon.
Tomato-scented: add 200 g (7 oz) halved cherry tomatoes to the shallot step and simmer 2–3 minutes for a bright finish — sauce will be slightly thinner.
Spicy Cajun twist: stir in 1–2 tbsp Cajun seasoning with the garlic; pair with a smoky salad or crusty bread. For a chicken-forward spicy version, compare to creamy Cajun chicken pasta for seasoning guidance.

Serving Suggestions & Pairings

Light green salad with lemon vinaigrette and shaved fennel complements the creamy sauce.
Crusty garlic bread or warm focaccia to mop up the sauce.
White wine pairings: unoaked Chardonnay or Sauvignon Blanc balances the cream and lemon.
For a heartier table, serve alongside creamy chorizo pasta or creamy chicken garlic Parmesan for a family-style spread.

Nutrition Information

Per serving (1 plate, recipe makes 4 servings):

Serving size: about 1 plate (approx. 375 g cooked)
Calories: 720 kcal
Total Fat: 30 g
Saturated Fat: 15 g
Cholesterol: 220 mg
Sodium: 620 mg
Total Carbohydrates: 72 g
Dietary Fiber: 3 g
Sugars: 4 g
Protein: 40 g

Nutrition values are estimates. Actual values may vary based on specific ingredients and preparation methods.

Frequently Asked Questions

Q: Why did my prawns turn rubbery?
A: You likely overcooked them. Prawns cook fast; sear 1–2 minutes per side until opaque and 63°C (145°F) internal temp. Remove them early — they’ll finish in the sauce.

Q: Can I make this without cream?
A: Yes. Use 240 ml (1 cup) half-and-half thickened with 1 tbsp flour, or use 240 ml (1 cup) coconut milk for dairy-free. Expect a thinner or different-flavored sauce.

Q: Can I double this recipe for a crowd?
A: Yes, double the ingredients and use a very large skillet or two pans. Keep cooking prawns in batches so they sear instead of steam. Sauce quantities scale linearly.

Q: Can I prepare this the night before?
A: You can make the sauce and cook the prawns ahead; refrigerate separately up to 2 days. Reheat sauce gently and toss with freshly cooked pasta for best texture.

Q: How long does this keep in the fridge?
A: Store in a sealed container for up to 3 days. Reheat gently with a little stock or water to restore sauce texture.

Q: Is white wine necessary in the sauce?
A: No. Wine adds depth and acidity. Substitute an equal amount of stock plus 1 tsp lemon juice if you prefer not to use alcohol.

Q: Can I use frozen prawns?
A: Yes — thaw completely, pat very dry, and remove excess moisture before searing. Excess water causes steaming and prevents browning.

Conclusion

This Creamy Garlic Prawn Pasta is a quick way to get a restaurant-quality meal at home with minimal fuss. For another creamy prawn take with slightly different spices and texture, see Creamy Garlic Prawn Pasta recipe on RecipeTin Eats. If you want a linguine-focused variation and a different flavor profile, try the Creamy Prawn Linguine from Don’t Go Bacon My Heart for inspiration.