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Dinner / Easy Cajun Shrimp Rice Casserole Bake

Easy Cajun Shrimp Rice Casserole Bake

November 15, 2025 by LucyDinner

Cajun Shrimp Rice Casserole is more than just a meal; it’s a comforting embrace in a dish, a little taste of the bayou that warms you from the inside out. We all crave those recipes that are reliably delicious, easy to whip up on a busy weeknight, and guaranteed to satisfy everyone at the table. This Cajun Shrimp Rice Casserole delivers on all fronts, making it an instant family favorite and a go-to for potlucks and gatherings. What sets this particular Cajun Shrimp Rice Casserole apart? It’s the perfect symphony of flavors and textures: plump, succulent shrimp mingling with fluffy rice, all bathed in a creamy, savory sauce seasoned with that unmistakable smoky, spicy kick of Cajun spices. It’s the kind of dish that conjures up images of lively gatherings and makes even the most mundane evening feel a little more special.

Easy Cajun Shrimp Rice Casserole Bake

Ingredients:

  • 1 lb raw shrimp, peeled and deveined
  • 3½ cups cooked basmati rice
  • ½ cup butter
  • 10 oz bag frozen onion and pepper blend
  • 2-3 stalks celery, thinly sliced
  • 1½ teaspoons minced garlic
  • ¼ teaspoon celery salt
  • 1 teaspoon Cajun seasoning
  • Freshly cracked black pepper to taste
  • 10.5 oz can condensed golden mushroom soup
  • 10.5 oz can condensed cheddar cheese soup

Preparation and Sautéing

Preheat Your Oven

First things first, let’s get that oven preheated to 375 degrees Fahrenheit (190 degrees Celsius). This ensures that once our casserole is assembled, it will bake evenly and beautifully. While the oven heats up, take this time to gather all your ingredients and make sure everything is prepped and ready to go. This makes the cooking process much smoother and more enjoyable.

Sautéing the Aromatics and Vegetables

In a large skillet or Dutch oven, melt the ½ cup of butter over medium heat. Once the butter is shimmering and fragrant, add the 10 oz bag of frozen onion and pepper blend. I love using a pre-portioned frozen blend because it saves so much chopping time and ensures a consistent mix of sweet onions and bell peppers. Stir the frozen vegetables into the melted butter and let them cook for about 5-7 minutes, or until they begin to soften and the onions are translucent.

Now, add the 2-3 stalks of thinly sliced celery to the skillet. Celery adds a subtle crunch and a lovely fresh flavor that complements the other ingredients. Stir it in with the onions and peppers and continue to cook for another 3-5 minutes until the celery is tender-crisp. Following that, stir in the 1½ teaspoons of minced garlic. Garlic is essential for building flavor, and it’s important not to add it too early as it can burn quickly. Cook the garlic for just about 30-60 seconds until it’s fragrant, being careful not to let it brown.

Seasoning the Vegetable Base

It’s time to bring in the flavor! To the sautéed vegetables, add the ¼ teaspoon of celery salt. Celery salt is a fantastic way to amplify the natural celery flavor already present. Next, sprinkle in the 1 teaspoon of Cajun seasoning. This is where the magic of our Cajun Shrimp Rice Casserole really begins to take shape. Be sure to use a good quality Cajun seasoning that you enjoy, as it will be the primary spice profile. Finally, season generously with freshly cracked black pepper to taste. Give everything a good stir to ensure the seasonings are evenly distributed throughout the vegetable mixture. Cook for an additional minute, allowing the spices to bloom in the heat.

Assembling the Casserole

Incorporating the Soups and Rice

Now, let’s bring everything together. Reduce the heat to low and pour in both the 10.5 oz can of condensed golden mushroom soup and the 10.5 oz can of condensed cheddar cheese soup. Stir these creamy soups into the vegetable mixture until they are well combined. The condensed soups act as the binder and creamy base for our casserole, creating a rich and savory sauce.

Next, gently fold in the 3½ cups of cooked basmati rice. Basmati rice has a lovely aroma and a delicate texture that won’t overpower the other ingredients. Ensure the rice is evenly distributed throughout the soup and vegetable mixture. Take your time with this step to avoid breaking up the rice too much. We want distinct grains of rice coated in that delicious sauce.

Adding the Shrimp

Finally, it’s time to add the star of the show: the 1 lb of raw shrimp, peeled and deveined. Gently stir the shrimp into the casserole mixture, distributing them evenly. It’s important that the shrimp are fully submerged in the creamy mixture so they cook through and become tender during baking. Because the shrimp are raw, they will cook quickly in the oven, and we don’t want to overcook them, which can make them tough.

Baking the Casserole

Baking to Perfection

Pour the entire mixture into a greased 9×13 inch baking dish. Spread it out evenly, making sure the shrimp are distributed as well as possible. Place the baking dish into your preheated oven. Bake for 20-25 minutes, or until the casserole is bubbling around the edges and the shrimp are pink and opaque. You should see a lovely crust forming on the top, indicating it’s perfectly cooked. Keep an eye on it during the last few minutes to prevent any over-browning. Allow the casserole to rest for a few minutes after removing it from the oven before serving. This allows the flavors to meld and the casserole to set up slightly, making it easier to serve. Enjoy your delicious homemade Cajun Shrimp Rice Casserole!

Easy Cajun Shrimp Rice Casserole Bake

Conclusion:

And there you have it! Your very own delicious and satisfying Cajun Shrimp Rice Casserole is ready to impress. This recipe offers a delightful blend of spicy Cajun flavors, tender shrimp, and fluffy rice, all baked together into a comforting casserole that’s perfect for any occasion. Whether you’re looking for a hearty weeknight meal or a crowd-pleasing dish for a gathering, this Cajun Shrimp Rice Casserole is sure to be a hit. Don’t be afraid to experiment and make it your own! I hope you enjoy making and savoring this flavorful creation as much as I do.

For serving, this casserole pairs wonderfully with a crisp green salad and some crusty bread to soak up any extra sauce. You could also serve it alongside some steamed green beans or collard greens for a complete and wholesome meal.

Variations: Feel free to adjust the spice level to your preference by adding more or less cayenne pepper. You can also swap the shrimp for chicken or andouille sausage for a different protein base. For added texture and flavor, consider stirring in some chopped bell peppers or celery with the onions and garlic. A sprinkle of shredded cheddar cheese on top before baking also adds a lovely cheesy finish.

Frequently Asked Questions:

Can I make this Cajun Shrimp Rice Casserole ahead of time?

Absolutely! You can assemble the casserole up to 24 hours in advance. Cover it tightly with plastic wrap and refrigerate. When you’re ready to bake, allow it to sit at room temperature for about 30 minutes before placing it in the preheated oven. You may need to add a few extra minutes to the baking time.

What can I do if my Cajun Shrimp Rice Casserole is too spicy?

If your casserole turns out spicier than you anticipated, you can try topping it with a dollop of sour cream, plain Greek yogurt, or even a little avocado when serving. These creamy additions will help to temper the heat and balance the flavors.


Easy Cajun Shrimp Rice Casserole Bake

Easy Cajun Shrimp Rice Casserole Bake

A simple and flavorful Cajun shrimp and rice casserole baked to perfection with creamy soups and aromatic vegetables.

Prep Time
15 Minutes

Cook Time
40 Minutes

Total Time
55 Minutes

Servings
6-8 servings

Ingredients

  • 1 lb raw shrimp, peeled and deveined
  • 3½ cups cooked basmati rice
  • ½ cup butter
  • 10 oz bag frozen onion and pepper blend
  • 2-3 stalks celery, thinly sliced
  • 1½ teaspoons minced garlic
  • ¼ teaspoon celery salt
  • 1 teaspoon Cajun seasoning
  • Freshly cracked black pepper to taste
  • 10.5 oz can condensed golden mushroom soup
  • 10.5 oz can condensed cheddar cheese soup

Instructions

  1. Step 1
    Preheat your oven to 375 degrees Fahrenheit (190 degrees Celsius). Gather and prep all ingredients.
  2. Step 2
    Melt butter in a large skillet over medium heat. Add frozen onion and pepper blend and cook for 5-7 minutes until softened. Add sliced celery and cook for another 3-5 minutes until tender-crisp. Stir in minced garlic and cook for 30-60 seconds until fragrant.
  3. Step 3
    Season the vegetable base with celery salt, Cajun seasoning, and black pepper to taste. Stir well and cook for an additional minute.
  4. Step 4
    Reduce heat to low and stir in condensed golden mushroom soup and condensed cheddar cheese soup until well combined. Gently fold in cooked basmati rice.
  5. Step 5
    Gently stir in the raw shrimp, ensuring they are submerged in the mixture. Pour the entire mixture into a greased 9×13 inch baking dish.
  6. Step 6
    Bake for 20-25 minutes, or until bubbling around the edges and shrimp are pink and opaque. Let rest for a few minutes before serving.

Important Information

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.

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