Creamy Cajun Shrimp Pasta Bake

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Creamy Cajun Shrimp Pasta Bake is creamy, cheesy, and packed with bold Cajun flavor—true comfort food with a Southern kick. Juicy shrimp, tender pasta, and sautéed vegetables are coated in a rich, spiced cream sauce, then baked until bubbly and golden. It’s hearty, crowd-pleasing, and perfect for potlucks, family dinners, or make-ahead meals when you want big flavor with minimal stress.

This dish is built in layers for maximum flavor. The shrimp are seasoned and seared first to lock in juiciness, the vegetables soften and sweeten in the same pan, and the sauce simmers just long enough to thicken without losing its silkiness. Baking everything together allows the cheeses to melt into the sauce, creating a cohesive, comforting casserole that slices and serves beautifully.

Ingredients

• 1 lb (450g) shrimp, peeled & deveined – Medium to large shrimp stay tender and meaty after baking.
• 12 oz (340g) spaghetti or thin pasta – Long, thin pasta captures the creamy sauce well.
• 2 tbsp butter – Adds richness and helps sauté the shrimp.
• 2 tbsp olive oil – Prevents burning and adds depth.
• 4 cloves garlic, minced – Provides bold, aromatic flavor.
• 1 red bell pepper, diced – Adds sweetness and color.
• 1 green bell pepper, diced – Balances with mild bitterness and crunch.
• 1 small onion, finely chopped – Builds a savory base for the sauce.
• 1 can (14 oz) diced tomatoes, drained – Adds acidity and moisture without watering down the sauce.
• 2 tsp Cajun seasoning – Brings signature heat and spice; adjust to taste.
• ½ tsp smoked paprika – Adds warmth and subtle smokiness.
• ½ tsp black pepper – Enhances the spice blend.
• 1 cup heavy cream – Creates a rich, velvety sauce.
• 1 cup chicken broth or seafood stock – Adds savory depth and balances the cream.
• 1 ½ cups shredded mozzarella cheese – Melts smoothly for a gooey texture.
• ½ cup grated Parmesan cheese – Adds sharp, savory richness.
• 2 tbsp fresh parsley, chopped – Brightens the finished dish.

Instructions