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 Favorite Halibut Casserole?

You need 11 ingredients. The key ingredients include: 5 tablespoons butter, divided, 1/4 cup all-purpose flour, 1/2 teaspoon salt, 1/8 to 1/4 teaspoon white pepper, and more.

Is Favorite Halibut Casserole suitable as seafood?

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

How do I store leftover Favorite Halibut Casserole?

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

Favorite Halibut Casserole Recipe

Name: Favorite Halibut Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 5 tablespoons butter, divided; 1/4 cup all-purpose flour; 1/2 teaspoon salt; 1/8 to 1/4 teaspoon white pepper; 1-1/2 cups 2% milk; 1 small green pepper, chopped; 1 small onion, chopped; 2 cups cubed cooked halibut (about 1 pound); 3 hard-boiled large eggs, chopped; 1 jar (2 ounces) diced pimientos, drained; 1/3 cup shredded cheddar cheese

Try this homemade Favorite Halibut Casserole recipe the whole family will love. Made with butter, all-purpose, salt and white pepper. Easy step-by-step …

This Favorite Halibut Casserole relies on simple, everyday ingredients such as butter, divided, all-purpose flour, salt and to 1/4 teaspoon white pepper. It comes together quickly and makes 4 servings, at about 325 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.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

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

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Favorite Halibut Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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