Shrimp Casserole Recipe
If you’re searching for a cozy dish that combines creamy goodness with a delightful crunch, look no further than this Shrimp Casserole Recipe. This dish is perfect for family gatherings, potlucks, or a simple weeknight dinner. With succulent shrimp, a creamy sauce, and a crispy topping, it’s a guaranteed crowd-pleaser. Let’s dive into the details and discover why this casserole will become a staple in your kitchen!
Why You’ll Love This Recipe

This Shrimp Casserole Recipe is not only easy to prepare, but it also brings together flavors and textures that will leave you craving more. The tender shrimp, seasoned to perfection with Old Bay, pairs beautifully with a creamy mayonnaise base, while the melted cheeses create a rich, comforting experience. The panko breadcrumbs add a satisfying crunch that contrasts with the softness of the shrimp and sauce. Plus, it’s versatile enough for various occasions, making it a go-to for any meal!
What to Buy
To whip up this delicious Shrimp Casserole Recipe, you’ll need the following ingredients:
- 2 lbs large shrimp (21-24 count), peeled and deveined
- 1 Tbsp Old Bay seasoning
- 1 Tbsp salt (for cooking water)
- 2/3 cup mayonnaise
- 1/2 tsp garlic powder
- 1/2 tsp ground black pepper
- 1 Tbsp butter (plus more to grease the pan)
- 1/2 cup panko bread crumbs
- 4 oz shredded mozzarella cheese
- 4 oz shredded medium cheddar cheese
Gear Up: What to Grab
Before you start cooking, gather the following kitchen tools to make the process smoother:
- Large pot (for boiling shrimp)
- 9×13 inch baking dish (for the casserole)
- Mixing bowl (to combine ingredients)
- Whisk or spoon (for mixing)
- Measuring cups and spoons
- Oven (preheated to 350°F)
- Cooking spray or butter (to grease the baking dish)
Cooking Shrimp Casserole Recipe: The Process

Now that you have everything ready, let’s get started with the step-by-step process!
Step 1: Prepare the Shrimp
Begin by bringing a large pot of water to a boil. Once boiling, add 1 Tbsp of salt and the shrimp. Cook the shrimp for about 2-3 minutes or until just pink and opaque. Be careful not to overcook them! Drain the shrimp and set them aside to cool slightly.
Step 2: Make the Sauce
In a mixing bowl, combine the mayonnaise, Old Bay seasoning, garlic powder, and ground black pepper. Mix until well blended. This creamy sauce will be the heart of your casserole.
Step 3: Combine Ingredients
Once the shrimp are cool enough to handle, chop them into bite-sized pieces. Gently fold the shrimp into the mayonnaise mixture until they are evenly coated.
Step 4: Assemble the Casserole
Preheat your oven to 350°F (175°C). Grease your 9×13 inch baking dish with butter or cooking spray. Pour the shrimp mixture into the dish and spread it out evenly.
Step 5: Add the Cheese and Topping
Sprinkle the shredded mozzarella and cheddar cheese over the shrimp mixture. In a small bowl, melt 1 Tbsp of butter and combine it with the panko breadcrumbs. Stir until the breadcrumbs are well coated. Then, sprinkle the breadcrumb mixture over the cheese layer.
Step 6: Bake to Perfection
Place the casserole in the preheated oven and bake for 25-30 minutes, or until the top is golden brown and the cheese is bubbly. The aroma will be irresistible!
Step 7: Serve and Enjoy
Once baked, remove the casserole from the oven and let it cool for a few minutes before serving. This Shrimp Casserole Recipe pairs wonderfully with a fresh garden salad or some crusty bread. Enjoy the delightful flavors and textures!
Dairy-Free/Gluten-Free Swaps
If you have dietary restrictions, here are some swaps that can easily be made:
- For a dairy-free version, substitute the mayonnaise with a dairy-free mayo and use dairy-free cheese alternatives.
- To make it gluten-free, use gluten-free panko breadcrumbs or omit the breadcrumb topping altogether.
- Consider using coconut cream in place of mayonnaise for a unique flavor twist.
Mistakes That Ruin Shrimp Casserole Recipe
While this recipe is straightforward, a few common mistakes can lead to less-than-perfect results:
- Overcooking the shrimp can make them rubbery and tough. Always keep an eye on them while boiling.
- Using too much salt in the seasoning can overpower the dish. Stick to the recommended amounts.
- Forgetting to grease the baking dish can cause the casserole to stick, making it difficult to serve.
- Not allowing the casserole to cool for a few minutes before serving can lead to messy portions.
Store, Freeze & Reheat
If you happen to have leftovers (which is rare!), here’s how to properly store, freeze, and reheat your Shrimp Casserole Recipe:
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- You can freeze the casserole before baking. Just cover it tightly with foil or plastic wrap. When ready to bake, let it thaw in the fridge overnight, then bake as directed.
- To reheat, simply pop it in the oven at 350°F until heated through, about 20-25 minutes.
Troubleshooting Q&A
What if my casserole is too dry?
If your casserole comes out dry, it may be due to overbaking. Ensure you monitor the cooking time closely, and consider adding a bit more mayonnaise or cheese to the mixture next time for extra creaminess.
Can I use frozen shrimp for this recipe?
Yes, you can use frozen shrimp. Just make sure to thaw them completely and pat them dry before cooking to avoid excess moisture in your casserole.
How can I enhance the flavor of my casserole?
To elevate the flavor, consider adding diced bell peppers, onions, or herbs like parsley or dill to the shrimp mixture. A squeeze of lemon juice before serving can also brighten the dish.
Is it okay to make this casserole ahead of time?
Absolutely! You can prepare the casserole a day in advance and store it in the fridge until you’re ready to bake it. This allows the flavors to meld beautifully.
Ready, Set, Cook
Now that you have all the details for this Shrimp Casserole Recipe, it’s time to gather your ingredients, put on your apron, and get cooking! This dish is sure to bring smiles around the dinner table and create delicious memories.
Whether you’re enjoying it on a weeknight or serving it at a gathering, this shrimp casserole is the epitome of comfort food. The combination of tender shrimp, creamy sauce, and crunchy topping makes it a dish that everyone will adore. So go ahead, make it your own, and enjoy every bite!

Shrimp Casserole Recipe
Ingredients
Equipment
Method
- Step 1: Prepare the Shrimp - Bring a large pot of water to a boil. Add 1 Tbsp of salt and the shrimp. Cook for about 2-3 minutes until just pink and opaque. Drain and set aside.
- Step 2: Make the Sauce - In a mixing bowl, combine mayonnaise, Old Bay seasoning, garlic powder, and ground black pepper. Mix until well blended.
- Step 3: Combine Ingredients - Chop the shrimp into bite-sized pieces and gently fold into the mayonnaise mixture.
- Step 4: Assemble the Casserole - Preheat the oven to 350°F. Grease a 9x13 inch baking dish. Pour the shrimp mixture into the dish and spread evenly.
- Step 5: Add the Cheese and Topping - Sprinkle mozzarella and cheddar over the shrimp mixture. Melt 1 Tbsp of butter, combine with panko, and sprinkle over the cheese layer.
- Step 6: Bake to Perfection - Bake for 25-30 minutes until golden brown and bubbly.
- Step 7: Serve and Enjoy - Let cool for a few minutes before serving. Pairs well with salad or crusty bread.
Notes
- Store leftovers in an airtight container in the fridge for up to 3 days.
- To freeze, cover tightly and thaw in the fridge overnight before baking.
- For extra creaminess, consider adding more mayonnaise or cheese if it comes out dry.
