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 Seafood Casserole For 2?

You need 17 ingredients. The key ingredients include: 1 medium onion, chopped, 2 celery ribs, chopped, 1 cup mushroom, sliced, 2 garlic cloves, crushed, and more.

Is Seafood Casserole For 2 suitable as seafood?

Yes, Seafood Casserole For 2 falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Seafood Casserole For 2?

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

Seafood Casserole For 2 Recipe

Name: Seafood Casserole For 2
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 medium onion, chopped; 2 celery ribs, chopped; 1 cup mushroom, sliced; 2 garlic cloves, crushed; 2 tablespoons olive oil; 1/2 teaspoon salt; 1/4 teaspoon pepper; 1/2 teaspoon Old Bay Seasoning; 2 tablespoons flour; 1 (370 ml) can nonfat milk; 2 tablespoons shredded cheddar cheese; 1/4 cup parmesan cheese, grated; 1 (120 g) can crabmeat; 8 cooked shrimp, cut in half; 4 large cooked scallops, cut in large chunks; 1 tablespoon chopped fresh parsley; 1 tablespoon chopped fresh basil

Try this homemade Seafood Casserole For 2 recipe the whole family will love. Made with onion, celery, mushroom and garlic. Easy step-by-step instruction…

This Seafood Casserole For 2 relies on simple, everyday ingredients such as medium onion, chopped, celery ribs, chopped, mushroom, sliced and garlic cloves, crushed. It comes together quickly and makes 4 servings, at about 470 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

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.

My Personal Notes

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Seafood Casserole For 2

Tips for the best results

Variations & substitutions

My Personal Notes

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