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Quick Mixed Seafood Pie (30 min)

Packed with a selection of seafood and vegetables in a creamy sauce, and topped with mini hash browns, this mixed seafood pie is an all-in-one dinner that’s perfect for busy weeknights. Whether you’re a seafood lover or simply looking for a quick and easy dinner idea, this comforting recipe delivers on flavor and convenience, making it a crowd-pleasing addition to your meal rotation.

A serving of seafood pie on a white plate next to the casserole dish.
Table of contents

Why you’ll love my seafood pie recipe

  • Quick and easy dinner: Made with three freezer ingredients, you can whip up this creamy seafood pie in 30 minutes flat for a quick and easy weeknight dinner.
  • All-in-one dinner: Just like my chicken broccoli casserole or stovetop beef stew, this seafood dish combines seafood, vegetables, and a starchy side, all in one convenient dish.
  • Versatile: Customize the filling with your favorite seafood, in-season vegetables, and even add a topping of your choice.

Ingredients and substitutions

Ingredients laid out on a metal tray to make seafood pie.
  • Mixed seafood: I use a frozen mixed seafood selection for convenience including shrimp, squid, and mussels, you can include your favorite fresh or frozen seafood, such as scallops, crab, lobster, and white fish.
  • Leek: It provides a mild onion flavor. You can also use shallots or green onions. Onions can easily overpower the delicate seafood flavors.
  • Frozen vegetables: I use them as a convenient base for the pie filling. Choose a mix that suits your taste, mine includes peas, carrots, green beans, and corn.
  • All-purpose flour: Flour is needed to make the roux for the creamy sauce. You can use cornflour instead.
  • Milk: Whole milk creates a richer, creamier sauce, but low-fat or skim milk can also be used. Substitute a portion with cream for a richer taste.
  • Parsley: Fresh parsley adds extra flavor and color to the filing. You can use dried parsley if needed, just reduce the quantity by half.
  • Mini hash browns: A convenient way to add a shepherd’s pie-inspired potato topping to the seafood casserole.

See the recipe card for full information on ingredients and quantities.

Variations

  1. Cheese: Add a layer of grated cheddar or Parmesan cheese on top of the hashbrowns for a cheesy crust.
  2. Vegetables: Incorporate fresh vegetables like spinach or broccoli to meet your daily 5.
  3. Pie topping ideas: Try a different pie topping, such as a puff pastry or 3-ingredient shortcrust pastry to make a seafood pot pie, mashed potatoes for a Shepherd’s pie version, or biscuits.

How to make this mixed seafood pie

A pan filled with sautéd vegetables filling.

Step 1: Sauté the vegetables in olive oil and butter.

A pan filled with sautéd vegetables filling with flour.

Step 2: Add flour to make a roux.

A pan filled with creamy vegetable filling, parsley shown.

Step 3: Add milk to make a creamy sauce and season with fresh parsley, salt, and pepper.

A pan filled with seafood filling, frozen seafood shown.

Step 4: Stir in frozen seafood.

A casserole dish filled with seafood pie, filling layer shown.

Step 5: Add the filling to a pie dish.

A casserole dish filled with seafood pie, layer of mini hash browns shown.

Step 6: Add mini hash browns or your choice of topping and bake until golden brown.

Recipe FAQs

How do I reheat this seafood pie?

Reheat it in the oven or microwave in small interval until it’s fully heated through.

Can I freeze leftover seafood pie?

I wouldn’t recommend freezing the pie if you’re using frozen ingredients to start with.

More seafood recipes

For more easy seafood dishes, check out the following recipes:

If you loved this Seafood Pie Recipe or any other recipe on my website, please leave a 🌟 star rating below. Thank you!

A serving of seafood pie on a white plate next to the casserole dish.

Mixed Seafood Pie

Caro Jensen
Easy as pie! If you're in a hurry to get dinner on the table and are looking for a quick and easy meal using 3 freezer ingredients, this mixed seafood pie is perfect for you!
5 from 1 vote
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Dinner
Cuisine American
Servings 6 servings
Calories 199 kcal

Ingredients
 
 

  • 1 tbsp olive oil extra virgin
  • 1 tbsp butter
  • 1/2 leek sliced
  • 1 cup frozen vegetables
  • 1/4 cup all-purpose flour
  • 1 1/2 cups milk
  • 1 tbsp fresh parsley finely chopped
  • 1 tsp salt
  • 1/4 tsp ground black pepper
  • 10 oz mixed seafood
  • 1 1/2 cups mini hash browns

Instructions
 

  • Preheat the oven to 400F (200C).
  • In a medium pan, heat the olive oil and butter. Add the sliced leek and sauté for 2-3 minutes until the edges are starting to turn brown.
    1 tbsp olive oil, 1 tbsp butter, 1/2 leek
  • Add the mixed frozen vegetables and cook for 1-2 minutes. Stir in flour, cook for a minute, then gradually whisk in milk to create a creamy sauce.
    1 cup frozen vegetables, 1/4 cup all-purpose flour, 1 1/2 cups milk
  • Season the filling to taste with parsley, salt, and pepper. Remove the pan from the heat and add the frozen seafood mix. Stir to combine (Note 1).
    1 tbsp fresh parsley, 1 tsp salt, 1/4 tsp ground black pepper, 10 oz mixed seafood
  • Pour the seafood mixture into an ovenproof dish (8×6 inches), top with mini hash browns, and cover with puff pastry. Brush with egg wash.
    1 1/2 cups mini hash browns
  • Bake in a preheated oven until the hashbrowns are golden brown and the filling is bubbly. Let the pie rest for 10 minutes before serving.

Notes

Note 1: You don’t want the vegetables and seafood to be fully cooked at this point as they will cook in the oven. Otherwise, the vegetables will be mushy and the seafood can get tough and rubbery.
Note 2: You can easily customize the pie topping. Use puff or shortcrust pastry, mashed potatoes, or biscuits if those are more convenient for you. Adjust the baking time accordingly.

Nutrition

Calories: 199kcalCarbohydrates: 22gProtein: 12gFat: 7gSaturated Fat: 3gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.1gCholesterol: 12mgSodium: 879mgPotassium: 330mgFiber: 2gSugar: 3gVitamin A: 1878IUVitamin C: 9mgCalcium: 95mgIron: 1mg
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5 from 1 vote