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 Mini Scallop Casseroles?

You need 14 ingredients. The key ingredients include: 3 celery ribs, chopped, 1 cup sliced fresh mushrooms, 1 medium green pepper, chopped, 1 small onion, chopped, and more.

Is Mini Scallop Casseroles suitable as seafood?

Yes, Mini Scallop Casseroles falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Mini Scallop Casseroles?

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

Mini Scallop Casseroles Recipe

Name: Mini Scallop Casseroles
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 celery ribs, chopped; 1 cup sliced fresh mushrooms; 1 medium green pepper, chopped; 1 small onion, chopped; 2 tablespoons butter; 1/3 cup all-purpose flour; 1/4 teaspoon salt; 1/4 teaspoon pepper; 2 cups nonfat milk; 1 lb bay scallop; TOPPING; 1 cup soft breadcrumbs; 1 tablespoon butter, melted; 1/4 cup shredded cheddar cheese

Try this homemade Mini Scallop Casseroles recipe the whole family will love. Made with celery, mushrooms, green pepper and onion. Easy step-by-step inst…

This Mini Scallop Casseroles relies on simple, everyday ingredients such as celery ribs, chopped, sliced fresh mushrooms, medium green pepper, chopped and small onion, chopped. It comes together quickly and makes 4 servings, at about 341 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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Mini Scallop Casseroles

Tips for the best results

Variations & substitutions

My Personal Notes

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