Shrimp and Grits Casserole

Posted on December 19, 2025

Modified: December 19, 2025

By Sofia
A white oval baking dish filled with a creamy Shrimp and Grits Casserole topped with melted cheese, bacon bits, and chopped green onions.

The aroma of simmering garlic and Cajun spices always brings me back to my grandmother’s kitchen. Her Shrimp and Grits Casserole was legendary – a bubbling, cheesy masterpiece that somehow made everyone feel instantly at home. It’s a dish that’s close to my heart, and I’m so excited to share my version with you. It’s a fantastic option if you’re looking for easy Casserole Recipes that are sure to impress. I find it even more comforting than my beloved Monte Cristo Breakfast Casserole!

What Makes This Shrimp and Grits Casserole So Special?

This isn’t just another casserole; it’s a hug in a dish! What makes my Shrimp and Grits Casserole so special is the combination of creamy, cheesy grits with the spicy kick of Cajun-seasoned shrimp. It’s surprisingly easy to put together, with only 25 minutes of prep time and 40 minutes of cook time. Plus, the key ingredients – sharp cheddar, Monterey Jack, and heavy cream – create a richness that’s simply irresistible.

The Key Ingredients You’ll Need

Let’s talk ingredients! The shrimp are crucial, and I always opt for fresh, plump shrimp. The quality really shines through in the final dish. Another essential element is the cheese. I use a blend of sharp cheddar and Monterey Jack because the combination delivers a sharp and creamy flavor. And for a bit more inspiration, you should definitely explore my Italian Chicken Casserole sometime!

A white oval baking dish filled with a creamy Shrimp and Grits Casserole topped with melted cheese, bacon bits, and chopped green onions.
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Cajun Shrimp and Grits Casserole

This creamy and comforting Cajun Shrimp and Grits Casserole is a perfect make-ahead meal, ideal for brunch or a weeknight dinner. It's loaded with cheesy grits, succulent shrimp, and a flavorful Cajun kick.
Prep Time 25 minutes
Cook Time 40 minutes
Total Time 1 hour 5 minutes
Servings: 6 servings
Course: Brunch, Main Course
Cuisine: American, Cajun
Calories: 450

Ingredients
  

For the Grits:
  • 4 cups Water
  • 1 cup Quick-Cooking Grits
  • 1 cup Sharp Cheddar Cheese shredded
  • 1/2 cup Monterey Jack Cheese shredded
  • 1/2 cup Heavy Cream
  • 4 tbsp Butter
  • 1 tsp Salt
  • 1/2 tsp Black Pepper
For the Shrimp:
  • 1.5 lbs Shrimp peeled and deveined
  • 2 tbsp Olive Oil
  • 1 medium Onion chopped
  • 1 medium Green Bell Pepper chopped
  • 2 cloves Garlic minced
  • 1 tbsp Cajun Seasoning
  • 1/4 cup Green Onions sliced
  • 2 tbsp Lemon Juice freshly squeezed
  • 1/4 cup Fresh Parsley chopped

Equipment

  • 9x13 inch baking dish
  • Large Skillet
  • Large pot

Method
 

Prepare the Grits:
  • Bring water to a boil in a large pot. Gradually whisk in the grits and reduce heat to low. Simmer for 5-7 minutes, stirring frequently, until the grits are thickened and creamy.
  • Remove from heat and stir in the cheddar cheese, Monterey Jack cheese, heavy cream, butter, salt, and pepper until the cheese is melted and everything is well combined.
Cook the Shrimp:
  • Preheat oven to 375°F (190°C).
  • Heat olive oil in a large skillet over medium heat. Add the onion and bell pepper and cook until softened, about 5-7 minutes.
  • Add the garlic and cook for another minute until fragrant. Add the shrimp and Cajun seasoning and cook until the shrimp are pink and cooked through, about 3-5 minutes, stirring occasionally.
  • Stir in the green onions and lemon juice.
Assemble and Bake:
  • Pour the cooked grits into a greased 9x13 inch baking dish. Spread evenly.
  • Top the grits with the shrimp mixture. Sprinkle with fresh parsley.
  • Bake in the preheated oven for 20-25 minutes, or until the casserole is heated through and bubbly.
  • Let cool slightly before serving. Garnish with additional green onions and parsley, if desired.

Notes

For a spicier casserole, add a pinch of cayenne pepper to the grits or shrimp mixture. The casserole can be assembled ahead of time and stored in the refrigerator for up to 24 hours before baking. Add 10-15 minutes to the baking time if baking from cold.

How I Make Shrimp and Grits Casserole

Alright, let’s get cooking! First, I whisk together the water and quick-cooking grits with butter, salt, and pepper, and then stir in the cheeses and cream. While that’s simmering, I sauté the shrimp with onion, bell pepper, and garlic until they’re perfectly pink and infused with Cajun seasoning. Then, I combine everything in a baking dish and pop it in the oven until it’s bubbly and golden brown. For more simple recipes, check out my Beef and Bean Enchiladas Casserole.

My Tips for the Perfect Outcome

  • Don’t overcook the shrimp! They should be pink and just cooked through. Overcooked shrimp can become rubbery.
  • Use freshly grated cheese for the best melting and flavor. Pre-shredded cheese often contains cellulose, which can affect how it melts.
  • Feel free to adjust the amount of Cajun seasoning to suit your spice preference.
  • Garnish generously with fresh green onions and parsley for a pop of color and freshness.

How I Serve and Store This Dish

I love serving this Shrimp and Grits Casserole hot from the oven, garnished with extra green onions, a squeeze of lemon juice, and a sprinkle of fresh parsley. It’s fantastic on its own or with a simple side salad. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave. Also, if you love easy breakfast ideas you should checkout my Blueberry French Toast Casserole.

FAQs

faq 1

Can I use frozen shrimp?
Yes, you can use frozen shrimp. Just make sure to thaw them completely and pat them dry before cooking to ensure they brown properly. Shrimp and Grits Casserole works well with either fresh or frozen shrimp, so use whichever is most convenient for you.

faq 2

Can I make this casserole ahead of time?
Absolutely! You can assemble the casserole ahead of time and store it in the refrigerator for up to 24 hours before baking. Just add a few extra minutes to the baking time to ensure it’s heated through. Making Shrimp and Grits Casserole ahead is a great time-saver.

faq 3

Can I substitute the cheeses?
Yes, feel free to experiment with different cheeses. Pepper jack would add an extra kick, or Gruyere would provide a nutty flavor. The beauty of Shrimp and Grits Casserole is that you can customize it to your liking.

faq 4

Is this recipe gluten-free?
Yes, this recipe is naturally gluten-free as long as you use gluten-free quick-cooking grits. Always check the label to be sure. Enjoy your Shrimp and Grits Casserole!

Conclusion

This recipe holds a special place in my heart, and I truly hope it brings as much joy to your table as it does to mine. If you try it, I’d absolutely love to hear what you think and see your creations in the comments below! And you should definitely check out my other casserole recipes for more inspiration.

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