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HOME » Seafood

Best Fish Casserole

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Who doesn't love a tasty fish casserole? Inspired by Brazil's Blender Tuna Savory Cake (Torta de Atum de Liquidificador), I've given the classic American fish casserole a Brazilian twist. It's a hit with my family and a personal favorite because it's easy to make, budget-friendly, and full of flavor.

I make it with hearty tilapia in a tomato sauce with herbs mixed with a variety of vegetables and spices, all enclosed in a savory cake batter. It's great for a hearty lunch or a quick weeknight dinner. If you like this dish, you'll also enjoy our chicken casserole and tuna casserole- they're just as delicious and easy to prepare!🍴🐟

Fish cake

How to Make Fish Casserole

Note: The full instructions are provided in the recipe card below.

For the Fish Filling:

  1. Heat Oil: In a large skillet, heat 4 tablespoons of extra virgin olive oil over medium-high heat.
  2. Cook Aromatics: Add chopped onion, bell pepper, diced tomato, the white parts of green onions, and minced garlic to the skillet. Cook, stirring occasionally, until they start to soften, about 5 minutes.
  3. Add Vegetables and Seasonings: Stir in frozen carrots and peas, sweet kernel corn, salt, ground black pepper, and paprika. Continue to cook and stir until the peas and corn are thoroughly heated, about 5 minutes. Taste and adjust the seasoning as needed.
  4. Cook Tilapia: Add the Tilapia to the skillet and cook it gently for 5 minutes, stirring occasionally.
  5. Add Final Touches: Stir in chopped parsley and the green parts of the green onions. Set the skillet aside to let the filling cool.

For the Batter:

  1. Preheat Oven and Prepare Pan: Preheat your oven to 350 degrees F (175 degrees C). Butter the bottom and sides of an 11 x13-inch (4-quart) rectangular Pyrex pan, dust it with flour, and tap out any excess flour.
  2. Mix Dry Ingredients: In a separate bowl, mix together the flour and baking powder. Set this mixture aside.
  3. Blend Wet Ingredients: In a blender, combine eggs, milk, oil, a pinch of pepper, and salt. Blend until completely smooth, about 2 minutes.
  4. Combine Batter: Pour the blended mixture into a large bowl. Using a hand whisk, gently and gradually stir in the flour mixture until just combined - be careful not to over-mix.

Assembling and Baking:

  1. First Layer of Batter: Pour half of the batter into the prepared pan, spreading it evenly.
  2. Add Filling: Evenly distribute the cooled Tilapia filling over this layer of batter.
  3. Top with Remaining Batter: Gradually pour the remaining batter over the filling, making sure to cover it evenly.
  4. Bake: Bake in the preheated oven for about 45 to 5 minutes or until a toothpick inserted into the middle of the cake comes out clean.
  5. Cool and Serve: After baking, remove the fish cake from the oven and allow it to cool for 10 minutes before serving. Serve warm.

 Pair with

  • Ensalada de Arroz side view close up
    Ensalada de Arroz
  • Arroz con Achiote 
    Arroz con Achiote 
  • Top-down view of Arroz a la Mexicana
    Arroz a la Mexicana
  • Arroz Verde (Green Rice)
    Arroz Verde

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  • Jalapeños Corn Casserole in a plate
    Jalapeños Corn Casserole
  • Relleno para Pavo (Classic Bread Stuffing)
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    Quick Baked Ziti with Sausage

Recipe

Easy Savory Fish Cake

by Camila Benitez
Fish cake
Who doesn't love a tasty fish casserole? Inspired by Brazil's Blender Tuna Savory Cake (Torta de Atum de Liquidificador), I've given the classic American fish casserole a Brazilian twist. It's a hit with my family and a personal favorite because it's easy to make, budget-friendly, and full of flavor.
I make it with hearty tilapia in a tomato sauce with herbs, mixed with a variety of vegetables and spices, all enclosed in a savory cake batter. It's great for a hearty lunch or a quick weeknight dinner. If you like this dish, you'll also enjoy our chicken casserole and tuna casserole– they're just as delicious and easy to prepare!🍴🐟
  • Español
  • Print Recipe Pin Recipe Add to Collection Go to Collections
    Prep Time 15 minutes mins
    Cook Time 50 minutes mins
    Total Time 1 hour hr
    Course Main Course
    Cuisine American, Italian
    Servings 12 pieces
    Calories 415 kcal

    Equipment

    • Large skillet
    • 13× 11-inch Baking Dish
    • Measuring cups

    Ingredients
      

    • 500 g frozen or fresh tilapia fillets , defrosted, cut into cubes
    • 4 Roma Tomatoes , chopped
    • 1 medium onion , small diced.
    • 1 red bell pepper , small diced.
    • ½ cup frozen carrots and peas , no need to defrost
    • ½ cup frozen Sweet corn , no need to defrost
    • ¼ cup parsley , finely chopped
    • ¼ cup green onions (white and green parts separated) , finely chopped
    • 1 tablespoon paprika
    • 1 tablespoon dried oregano
    • 3 fresh garlic , finely minced
    • 2 teaspoons Kosher Salt , to taste
    • 1 teaspoon ground black pepper , to taste
    • 4 tablespoons Extra virgin olive oil or canola oil

    For the Cake Batter:

    • 375 g (3 cups) of all-purpose flour
    • 420 ml (2 cups) whole milk, room temperature
    • 4 large eggs , room temperature
    • 8 oz (1 cup) avocado oil or canola oil
    • 1 tablespoon baking powder
    • 1 teaspoon Kosher salt
    • ¼ teaspoon ground black pepper

    Instructions
     

    For the Fish Filling:

    • Heat Oil: In a large skillet, heat 4 tablespoons of extra virgin olive oil over medium-high heat.
    • Cook Aromatics: Add chopped onion, bell pepper, diced tomato, the white parts of green onions, and minced garlic to the skillet. Cook, stirring occasionally, until they start to soften, about 5 minutes.
    • Add Vegetables and Seasonings: Stir in frozen carrots and peas, sweet kernel corn, salt, ground black pepper, and paprika. Continue to cook and stir until the peas and corn are thoroughly heated, about 5 minutes. Taste and adjust the seasoning as needed.
    • Cook Tilapia: Add the Tilapia to the skillet and cook it gently for 5 minutes, stirring occasionally.
    • Add Final Touches: Stir in chopped parsley and the green parts of the green onions. Set the skillet aside to let the filling cool.

    For the Batter:

    • Preheat Oven and Prepare Pan: Preheat your oven to 350 degrees F (175 degrees C). Butter the bottom and sides of an 11x13-inch (4-quart) rectangular Pyrex pan, dust it with flour, and tap out any excess flour.
    • Mix Dry Ingredients: In a separate bowl, mix together the flour and baking powder. Set this mixture aside.
    • Blend Wet Ingredients: In a blender, combine eggs, milk, oil, a pinch of pepper, and salt. Blend until completely smooth, about 2 minutes.
    • Combine Batter: Pour the blended mixture into a large bowl. Using a hand whisk, gently and gradually stir in the flour mixture until just combined - be careful not to over-mix.

    Assembling and Baking:

    • First Layer of Batter: Pour half of the batter into the prepared pan, spreading it evenly.
    • Add Filling: Evenly distribute the cooled Tilapia filling over this layer of batter.
    • Top with Remaining Batter: Gradually pour the remaining batter over the filling, making sure to cover it evenly.
    • Bake: Bake in the preheated oven for about 45 to 5 minutes or until a toothpick inserted into the middle of the cake comes out clean.
    • Cool and Serve: After baking, remove the fish cake from the oven and allow it to cool for 10 minutes before serving. Serve warm.

    Notes

    How to Store & Reheat
    • To store: Savory fish cake in an airtight container in the refrigerator for up to 3 days.
    • To reheat: Square savory fish cake in the microwave for a minute or until heated. Alternatively, you can reheat in a 350 F preheated oven for about 15 minutes or until heated.
    Make-Ahead
    To make ahead of time, prepare the savory fish cake as directed, but stop before baking. Cover the assembled cake with plastic wrap or foil and refrigerate for 24 hours. When ready to bake, remove from the fridge, let it sit at room temperature for about 30 minutes, and then bake as instructed. This allows you to prepare the dish in advance and bake it when you're ready to serve. Enjoy your make-ahead savory fish cake!
    How to Freeze
    To freeze this recipe, allow the savory fish cake to cool completely. Then, cut it into individual portions, wrap each portion tightly in plastic wrap or aluminum foil, and place them in an airtight container or freezer bag. Label and date the container, and store it in the freezer for 1 month. To reheat, simply thaw the desired portion in the refrigerator overnight and then warm it in the oven or microwave until heated. Enjoy!

    Nutrition

    Nutrition Facts
    Easy Savory Fish Cake
    Amount per Serving
    Calories
    415
    % Daily Value*
    Fat
     
    25
    g
    38
    %
    Saturated Fat
     
    4
    g
    25
    %
    Trans Fat
     
    0.01
    g
    Polyunsaturated Fat
     
    3
    g
    Monounsaturated Fat
     
    16
    g
    Cholesterol
     
    80
    mg
    27
    %
    Sodium
     
    563
    mg
    24
    %
    Potassium
     
    399
    mg
    11
    %
    Carbohydrates
     
    33
    g
    11
    %
    Fiber
     
    2
    g
    8
    %
    Sugar
     
    4
    g
    4
    %
    Protein
     
    16
    g
    32
    %
    Vitamin A
     
    2325
    IU
    47
    %
    Vitamin C
     
    23
    mg
    28
    %
    Calcium
     
    145
    mg
    15
    %
    Iron
     
    3
    mg
    17
    %
    * Percent Daily Values are based on a 2000 calorie diet.

    Nutrition Disclaimer: The nutritional information provided is an estimate, calculated using standard data sources. Actual values may vary based on ingredient brands, preparation methods, and portion sizes. This information is for general reference only and should not be considered a substitute for professional dietary advice.

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    Published: Oct 1, 2020 · Last Updated: Jul 11, 2025 by Camila Benitez · This post may contain affiliate links

    About

    Welcome to Camila Made! My name is Camila Benitez. Here, I share our family's favorite recipes, all tried and loved, from holiday feasts and entertaining to everyday family meals and plenty of baked goods! 🍪😜

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