Dump-and-Bake Shrimp Alfredo: No Pre-Cooking Pasta

I still remember the first time I realized pasta didn’t have to simmer on the stove for fifteen minutes. I was standing in my kitchen on a weeknight, shrimp thawing on the counter, a jar of alfredo sauce in one hand, and exactly zero energy to supervise boiling water.

So I grabbed a baking dish, threw everything in together, and twenty minutes later, I had the creamiest, most effortless shrimp alfredo I’d ever made. The pasta absorbed all those buttery, garlicky flavors right in the oven, and somehow tasted even better than the traditional version.

This dump-and-bake approach is a total game-changer for lazy dinners. No draining pasta, no juggling multiple pans, no complicated timing. You just assemble everything in one dish and let your oven do the heavy lifting. The shrimp cooks perfectly while the pasta becomes tender and coated in that silky alfredo sauce. It’s the kind of meal that feels fancy but tastes like you barely tried.

Let’s get into it, because I promise you’re going to make this on a Tuesday night and never look back.

Table of Contents

Ingredients You’ll Need

Just grab these simple items and you’re ready to bake your way to dinner.

• 1 lb large shrimp (peeled and deveined)
• 1 lb penne pasta (uncooked)
• 2 cups heavy cream
• 4 tablespoons butter
• 4 cloves garlic (minced)
• 1 cup grated Parmesan cheese
• 2 cups chicken or seafood broth
• Salt and freshly ground black pepper
• 1/2 teaspoon Italian seasoning
• 1/4 teaspoon red pepper flakes (optional)
• Fresh parsley (chopped, for garnish)

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Why This Method Works So Well

This isn’t just laziness masquerading as dinner. When you bake uncooked pasta with liquid in a covered dish, the pasta cooks in that creamy alfredo sauce instead of plain water. It absorbs all the flavor as it softens, creating this incredibly tender, sauce-coated dish that tastes cohesive and intentional.

The shrimp stays juicy because it’s not sitting in boiling water or a pan waiting for you to flip it at exactly the right second. It cooks gently in the oven’s heat, surrounded by that dreamy sauce. Everything finishes at the same time, which means no more overcooked pasta or undercooked shrimp.

Did you know? Baked pasta dishes have been showing up on trending dinner tables for good reason, they cut your active cooking time in half while delivering restaurant-quality results.

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Step-by-Step Instructions

This whole thing comes together faster than you’d think.

Step 1: Preheat and Prep

Preheat your oven to 375°F. Grab a 9×13 inch baking dish and lightly butter it.

Step 2: Make the Alfredo Base

In a large bowl, whisk together the heavy cream, broth, melted butter, minced garlic, and Italian seasoning. Season with a pinch of salt and black pepper. This is your liquid, so taste it and adjust the seasoning to your liking.

Step 3: Combine Everything

Add the uncooked pasta and shrimp to the bowl with the sauce mixture. Stir everything together so the pasta is evenly coated and the shrimp is distributed throughout. Add the Parmesan cheese and stir again.

Step 4: Transfer to Baking Dish

Pour the entire mixture into your prepared baking dish. Make sure the pasta is mostly submerged in the liquid. If it looks a little dry, add another 1/4 cup broth.

Step 5: Cover and Bake

Cover the baking dish tightly with aluminum foil. Bake for 18-20 minutes. Remove the foil and stir gently, then bake uncovered for another 2-3 minutes so the top gets slightly golden.

Step 6: Rest and Finish

Let it sit for 2 minutes before serving. Top with fresh parsley and extra Parmesan if you’re feeling fancy (which you should be).

Real tip: If your shrimp were frozen, give them an extra minute in the oven. You want them pink and just barely cooked through, not rubber.

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Print

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Flavor Tweaks and Swaps

This recipe is forgiving, which is exactly what we need from a lazy dinner situation.

Want it richer? Use half-and-half instead of heavy cream, but know it won’t be quite as luxurious. Heavy cream is the move here.

Need more vegetables? Throw in some fresh spinach, roasted cherry tomatoes, or diced bell peppers before baking. They’ll soften right up.

Spice lover? Add that red pepper flakes or a pinch of cayenne. A little heat makes this dish sing.

Prefer a different protein? Scallops, crab, or even boneless chicken work beautifully. Adjust cooking time if using chicken (might need an extra 5-10 minutes).

Pro tip: Don’t skip the fresh parsley at the end. It brightens up the whole dish and makes it feel restaurant-polished.

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Storage Tips

Leftovers keep in an airtight container in the fridge for about 3 days. Reheat gently on the stovetop over low heat with a splash of broth or cream to loosen it back up.

The pasta will firm up as it cools, so don’t panic.

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Time to Get Cooking

This dump-and-bake shrimp alfredo is exactly what a lazy dinner should be: minimal effort, maximum flavor, zero regrets. Your weeknight self is going to thank you for this one. Throw everything in a dish, let the oven handle it, and in about 35 minutes you’ve got a meal that looks and tastes way more complicated than it actually is.

Make it, share your photos, drop any questions in the comments below. Happy cooking!