Creamy Shrimp Pasta with Garlic-Parmesan Sauce (Plus Safe Leftovers Tips)
When you want something creamy, comforting, and fast—this garlic-parmesan shrimp pasta delivers. Shrimp cooks up in minutes, then you build a smooth sauce you can actually keep silky on a busy weeknight.
Recipe at a glance
- Yield: 4 servings
- Prep time: 15 minutes
- Cook time: 20 minutes
- Total time: 35 minutes
Ingredients
- Pasta: 12 oz spaghetti (or other long pasta), cooked per package directions until al dente
- Shrimp: 1 lb large shrimp, peeled and deveined (tails optional)
- Seasoning for shrimp: 1/2 tsp kosher salt, 1/4 tsp black pepper, 1/4 tsp garlic powder
- Olive oil: 2 tbsp, divided
- Butter: 2 tbsp
- Aromatics: 4 cloves garlic, finely minced
- Red pepper flakes (optional): 1/8–1/4 tsp
- All-purpose flour: 2 tbsp (for gentle thickening)
- Chicken broth: 3/4 cup (or use milk in a pinch; broth keeps sauce lighter)
- Heavy cream: 1 cup
- Cheese: 1 cup finely grated Parmesan (about 3 oz)
- Finish: 1–2 tbsp lemon juice (to brighten), plus chopped parsley for serving (optional)
- Optional add-ins: 1 cup baby spinach (stir in until just wilted) or 1/2 cup chopped sun-dried tomatoes
Instructions
- Cook the pasta: Bring a large pot of salted water to a boil. Cook pasta until al dente (tender but with a little bite). Reserve 1 cup of pasta water, then drain.
- Prep the shrimp: Pat shrimp dry. Toss with salt, pepper, and garlic powder.
- Sear the shrimp: In a large skillet (or sauté pan) over medium-high heat, warm 1 tbsp olive oil. Add shrimp in a single layer and cook 1–2 minutes per side until opaque. Transfer shrimp to a plate (it’s okay if they finish a few seconds later in the sauce—just don’t overcook here).
- Build the base: Reduce heat to medium. Add butter and the remaining 1 tbsp olive oil. Add garlic (and red pepper flakes if using) and cook 30 seconds, just until fragrant.
- Thicken without lumps: Sprinkle in flour and stir constantly for 30–45 seconds. You want a smooth paste that smells slightly nutty (not browned).
- Make it creamy: Slowly pour in chicken broth, whisking as you go. Then add heavy cream. Simmer gently 2–3 minutes, stirring, until slightly thickened.
- Melt the Parmesan (this keeps it smooth): Turn heat to low. Add Parmesan a handful at a time, stirring until fully melted before adding more. The sauce should look glossy and coat a spoon.
- Combine: Add drained pasta to the skillet. Toss well, adding a splash of reserved pasta water (1–4 tbsp as needed) until the sauce clings to the noodles.
- Finish with shrimp: Return shrimp (plus any juices) to the pan. Stir gently until shrimp are heated through, 30–60 seconds. Remove from heat.
- Brighten and serve: Stir in lemon juice to taste. Top with parsley and an extra sprinkle of Parmesan if you like.
Doneness and texture cues
- Shrimp: Fully opaque with a firm, springy “bounce.” If you cut one, it should no longer look translucent in the center. (For extra reassurance, shrimp are done at an internal temperature of 145°F.)
- Sauce: Silky and glossy, not grainy. If it looks too thick, loosen with a little reserved pasta water; if it’s too thin, simmer gently for 1 minute on low.
- Pasta: Al dente—tender with a slight chew—so it doesn’t turn soft while coating in sauce.
Quick tips for a silky sauce
- Low heat for cheese: Melt Parmesan on low so it dissolves smoothly instead of getting grainy.
- Add gradually: Mixing in Parmesan a little at a time helps the sauce stay cohesive.
- Use pasta water: A spoonful or two helps the sauce emulsify and cling to noodles.
Serving ideas
- Serve with garlic bread and a crisp salad (arugula + lemon vinaigrette is great).
- Add roasted broccoli or sautéed zucchini for a veggie boost.
- For extra color, finish with cherry tomatoes (stir in at the end so they stay bright).
Storage notes (safe leftovers)
- Cool quickly: Let leftovers cool at room temperature no longer than 2 hours total, then refrigerate promptly.
- Store smart: Keep in shallow, airtight containers in the refrigerator.
- How long it keeps: Refrigerate leftovers and enjoy within 3–4 days.
- Reheat thoroughly: Reheat until steaming hot throughout, stirring so the sauce warms evenly. Add a splash of water or broth if the sauce thickens.
- Food handling: Wash hands after touching raw shrimp and avoid cross-contamination between raw shrimp and ready-to-eat foods.
Variations & easy swaps
- Gluten-free: Use gluten-free pasta and swap the flour for a gluten-free 1:1 baking blend (or cornstarch: use 1 tbsp, whisk into cold cream, then heat gently).
- Lower-fat option: Replace 1/2 cup of the cream with whole milk; keep heat on low for cheese melting.
- Herb finish: Substitute parsley with basil or chives.
