Cajun Shrimp Pasta with Roasted Red Pepper

Linguine hits the pot first—salted water boiling hard. While that goes, heat the oil in a skillet till it shimmers. Shrimps spread out flat, single layer. Listen for the sizzle. Two minutes each side, that’s it. They’ll turn pink fast. Don’t touch them too much or they steam instead of sear.

Why You’ll Love This Cajun Shrimp Pasta

Thirty minutes total. Seriously. Prep is twelve, cook is eighteen, and most of that’s waiting for water to boil and pasta to finish. One skillet for the whole sauce. Shrimps cook, come out, sauce builds in the same pan using all that seafood flavor stuck to the bottom. Spicy but not aggressive—the cream and mascarpone soften the heat while the chili flakes still have a say. Works for people who like actual flavor in their pasta, not just butter and salt. Tastes like restaurant food. Cajun shrimp recipes with pasta usually feel like they’re trying too hard. This one doesn’t. Easily customizable without changing anything. Add sausage if you want. Skip the basil. Swap linguine for fettuccine. Doesn’t matter—the base is solid either way.

What You Need for Cajun Shrimp Pasta

Linguine. Three hundred fifty grams. Fettuccine works if that’s what you have. Small shrimps, shelled and thawed. Not huge—they cook faster and sear better. Olive oil. Half that amount of butter won’t give you the same sear. One medium shallot minced fine. Red onion changes the flavor profile entirely—white onion is too harsh. Two garlic cloves. That’s the right amount. Three makes it garlicky instead of savory. Crushed dried chili flakes. Fresh chili would work. Probably. Never tried it. Fire-roasted red peppers from a can. The ones in brine, not oil. Drain them well or the sauce breaks. Cream or mascarpone—either works, or mix both like the recipe does. The mascarpone gives it a tang the cream alone won’t have. Fresh basil. Dried basil tastes like paper. Don’t bother. Salt and black pepper.

How to Make Cajun Shrimp Pasta

Big pot of salted water goes on high. While it heats, prep everything—mince the shallot, mince the garlic, chop the basil, drain the peppers. Taste the pasta water when it starts boiling; it should taste like the sea, not like chlorine. Drop the linguine in when the water’s actually rolling, not just hot. Set a timer. Stir it once so nothing sticks to the bottom.

Oil in a large skillet over medium-high heat. Let it shimmer for thirty seconds. Lay the shrimps out in a single layer—don’t crowd them. They need space or they steam instead of sear. You’ll hear a gentle sizzle immediately. Two minutes, then flip. Two minutes on the other side. The moment the edges curl and the whole thing goes opaque pink, they’re done. Pull them out onto a plate. Salt and pepper them now while they’re hot.

Same pan, medium heat. That shrimp fat on the bottom is gold—don’t wash it. Throw in the minced shallot. Stir it constantly. You want it translucent and a bit caramelized at the edges, maybe four or five minutes. The kitchen should smell like sweet onion. Add the garlic and chili flakes. Stir for a minute, maybe ninety seconds. Burnt garlic tastes bitter. Stop before it gets there.

Pour in the drained roasted peppers. Smash them lightly with the spoon—break them up a little but don’t obliterate them. Let it simmer. Watch the liquid reduce. This takes maybe six or seven minutes. The sauce should coat the back of a spoon. If it’s still watery, keep it going. If it looks thick, add half a cup of that pasta water you saved.

Turn the heat down to low. Add the cream slowly, stirring. Then the mascarpone. Whisk till it’s smooth and creamy—no lumps. Season with salt and pepper. Taste it. Actually taste it. Then stir in the basil. It’ll brighten the whole thing. Put the shrimps back in. Two minutes maximum. Any longer and they go rubbery.

The linguine should be done by now. Check it—it should bend slightly but have a little snap in the center. Drain it. Don’t save the water—you already have some cooling on the counter. Throw the pasta directly into the sauce. Toss it hard. If the sauce looks thin, add more pasta water a splash at a time. The sauce needs to cling to the noodles, not pool at the bottom.

Divide into bowls. Fresh basil on top. No parmesan—the mascarpone is already rich. Eat it hot.

Cajun Pasta with Sausage and Shrimp Option

Skip the shrimp stage if you’re going this route. Instead, brown some sliced sausage in the pan first—andouille if you can get it—then remove it before you add the shallots. The sausage fat builds the same flavor base. Finish the same way. The sausage and shrimp cajun pasta angle works, but the cajun creamy shrimp pasta recipe works on its own without it.

Cajun Shrimp Alfredo Tips and Mistakes

Don’t overcrowd the skillet when searing the shrimps. They need to touch the hot pan, not float in a crowd. Patience. One layer. Sear them. The mascarpone can split if the heat’s too high when you add it. Keep it low. Stir constantly. Gradual temperature changes matter. Pasta water is your friend. Add it in small splashes. The sauce should move slightly in the bowl, not sit there like cement. Fresh basil added at the end preserves the flavor. If you add it early, it turns dark and tastes like nothing. Wait till the heat’s off or almost off. The shrimps don’t go back in till the very end. They’re already cooked. Heating them through is all that’s needed.

Cajun Shrimp Pasta with Roasted Red Pepper

By Emma

Prep:

12 min

Cook:

18 min

Total:

30 min

Servings:

4 servings

Ingredients

• 350 g linguine
• 350 g small shrimps shelled thawed
• 30 ml olive oil
• 1 medium shallot minced
• 2 garlic cloves minced
• 5 ml crushed dried chili flakes
• 1 can 400 ml fire-roasted red peppers drained
• 190 ml 15% cream or mascarpone 65 g
• 70 g mascarpone softened
• 50 ml fresh basil chopped plus more for garnish
• Salt and black pepper to taste

Method

1. 1 Start: Big pot salted water boil for linguine; drop pasta; cook firm to bite. Taste early: Al dente sets texture; keep a cup pasta water handy before draining.
2. 2 Meanwhile heat oil medium-high in large skillet. Toss in shrimps spread single layer; hear gentle sizzle; cook quickly until color turns pink and edges curl—about 2 minutes per side. Don’t crowd or shrimps steam; sear and scent develops. Remove shrimp; rest on plate; season with salt and pepper.
3. 3 Same pan medium heat—use that shrimp fat build flavor. Add shallots, sweat slowly till translucent and edges caramelize - 4 to 5 minutes. Smell sweet onion fragrance, stir often to avoid browning too deep. Stir in garlic and chili flakes, cook 1-2 minutes till aromatic but not burnt.
4. 4 Pour in roasted peppers; smash lightly with spoon; simmer till excess liquid reduces, thickening sauce base - about 6-7 minutes. Watch consistency; sauce should coat back of spoon, not watery. Add half the reserved pasta water to loosen if needed.
5. 5 Turn heat to low; stir in cream and mascarpone gradually; whisk till smooth and creamy. Season with salt, pepper; toss in chopped basil; fresh herb brightens and cuts richness. Add shrimps back; warm through for 2 minutes, not more or rubbery.
6. 6 Drain linguine, immediately toss into sauce pan. Mix thoroughly adding splashes pasta water to adjust sauce cling. Sauce must hug noodles, not pool at bottom of bowl.
7. 7 Dish into bowls, scatter fresh basil on top. No cheese garnish—it would compete with mascarpone richness. Serve hot, spoon first bite—herbaceous, creamy heat, sweetness from shallots and smoky peppers lingering.

Nutritional information

Calories

360

Protein

28g

Carbs

40g

Fat

14g

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Frequently Asked Questions About Cajun Shrimp Pasta

Can I use frozen shrimp instead of thawed? Thaw them first. Frozen shrimps release too much liquid and won’t sear. They’ll steam. Thaw in the fridge overnight or run them under cold water for five minutes.

What if I don’t have mascarpone? Just use cream. The sauce won’t have that slight tang, but it’ll still work. Add an extra tablespoon of cream if you go this route.

How do I know the shrimps are done? Pink and the edges curl. Don’t overthink it. Four minutes total in the pan, max. Overcooked shrimps are rubbery and nobody comes back for that.

Can I make this with fettuccine instead of linguine? Yes. Same timing, same sauce. Fettuccine holds sauce better actually, if anything.

Should I add chicken and shrimp pasta instead? Could. Honestly, the shrimp alone is enough. Cajun chicken and shrimp pasta gets crowded. Pick one or the other.

What happens if the sauce breaks and gets grainy? You added the mascarpone too fast or the heat was too high. Start over with a fresh pan, low heat, add the cream slowly. Or just eat it anyway—tastes fine, looks a little rough. Not the end of the world.

Can I prep this ahead? Cook it fresh. The pasta gets mushy if it sits in sauce. You can prep the shallots and garlic ahead, drain the peppers, chop the basil. Cook the whole thing when you’re ready to eat.