How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Southern Shrimp Casserole?

You need 10 ingredients. The key ingredients include: 1 cup celery, coarsely chopped, ½ cup green bell pepper, finely chopped, 1 cup onion, coarsely chopped, ½ cup butter, and more.

Is Southern Shrimp Casserole suitable as seafood?

Yes, Southern Shrimp Casserole falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Southern Shrimp Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Southern Shrimp Casserole Recipe

Name: Southern Shrimp Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 cup celery, coarsely chopped; ½ cup green bell pepper, finely chopped; 1 cup onion, coarsely chopped; ½ cup butter; 1 cup condensed tomato soup; 1 cup rice, cooked; 1 cup cheddar cheese, shredded; 1 lb cooked shrimp (tail off, peeled); ½ teaspoon red pepper flakes; 1 cup fresh mushrooms, sliced

Try this homemade Southern Shrimp Casserole recipe the whole family will love. Made with celery, green bell pepper, onion and butter. Easy step-by-step …

This Southern Shrimp Casserole relies on simple, everyday ingredients such as celery, coarsely chopped, onion, coarsely chopped, butter and condensed tomato soup. It comes together quickly and makes 4 servings, at about 663 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Southern Shrimp Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions