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    Home » Recipes » Fish

    Published: Dec 6, 2019 · Modified: Feb 9, 2022 by Claire · This post may contain affiliate links. As an Amazon associate I earn from qualifying purchases · 4 Comments

    Cod and Sweet Potato Fish Cakes

    Jump to Recipe Print Recipe

    These cod and sweet potato fish cakes are a fun comfort food dinner the whole family will love! Made with frozen cod and pantry staples, these are an easy fish dinner for a busy weeknight.

    cod and sweet potato fish cakes and a small bowl of tahini on a lined wooden board on a beige cloth.

    If you love a fish dinner as my family does, then you may like to see my baked cod with pesto and honey ginger baked cod. Both tasty recipes for a family dinner!

    These cod sweet potato fish cakes are such a cozy evening meal, and always a popular family dish in my home! Turn to the freezer and pantry for a tasty dinner that you can pair with vegetables or salads.

    Love sweet potato recipes? Do check out my fun sweet potato fritters!

    Jump to:
    • ⭐ Why you'll love this recipe
    • 🦀 Ingredients
    • 🔪 Step by step instructions
    • 💭 Recipe tips and notes
    • 📋 Frequently asked questions
    • 🍽 How to serve fish cakes
    • 🦀 Fish and a low histamine diet
    • 🥣 More tasty fish recipes
    • 📖 Recipe
    • 💬 Comments

    ⭐ Why you'll love this recipe

    • Comfort food - there's just *something* about sweet potato fish cakes that feels so cozy, and these are so tasty and moreish.
    • Pantry and freezer staples - this recipe uses ingredients that most of us have to hand.
    • Enjoy year-round - whether it is with a salad in the summer, or vegetables and starches in the colder months, these cod fishcakes are so versatile.

    🦀 Ingredients

    individually labelled ingredients to make cod and sweet potato fish cakes including frozen cod, onion and herbs.

    Make sure to see the recipe card below for the full ingredients and their quantities!

    Using pantry and freezer staples, these cod and sweet potato fish cakes require a relatively short list of ingredients. Some notes on a few of them:

    • Cod - we use frozen cod in these fish cakes, which most of us have 'on standby' as my mum says!
    • Sweet potato - as well as being delicious, this binds the fish cakes together.
    • Flour - I use spelt flour to make this recipe, but regular flour works well too.
    • Egg yolk - also to help bind, but gives a little protein too.

    🔪 Step by step instructions

    Making these cod and sweet potato fish cakes is quite easy, with just a few steps:

    frozen cod fillets in a white dish on an oven rack labelled number one.
    sweet potato mash in a colander with a fork labelled number two.

    Step 1

    Bake the fish. Bake the fish for 25-30 minutes until thoroughly cooked through (although the photo doesn't show it, it is best to cover the fish with some foil) (image 1).

    Step 2

    Make your sweet potato mash. Boil or steam the sweet potatoes so that they are soft when pierced with a fork. Leave to drain in a colander and to cool for a few minutes. Mash with the back of a fork or potato masher, leaving some lumps as this will help bind the fish cakes (image 2).

    Recipe tip: leave the sweet potato to drain of excess water as too much will prevent the fish cakes from binding together.

    onion, garlic and herbs in a light grey skillet labelled number three.
    cod and sweet potato fish cakes mixture in a glass bowl labelled number four.
    cod and sweet potato fish cakes frying in a skillet labelled number five.

    Step 3

    Fry onion and herbs. Fry the onion until softened, along with garlic and dried thyme (image 3).

    Step 4

    Combine the fish cake mixture. Once the fish is ready, add it to a large bowl and allow to cool for a few minutes. Flake the fish. Add the sweet potato, onion and thyme mix, parsley, egg yolk, flour, salt and pepper to the bowl and stir to combine (image 4).

    Recipe tip: if the mixture seems too wet, add another sprinkle of flour.

    Step 5

    Cook the fish cakes. Pour olive oil into a large frying pan. Take a small handful of the fish mixture and turn it into patties using your hands. Add to the pan. Repeat for the rest of the fish mixture. Fry until the fish cakes have cooked through and hold together (image 5). Be careful flipping so they don’t break up!

    💭 Recipe tips and notes

    • To make a fish cake, take a small handful of the fish mixture and roll between your hands to form a ball. Add to the frying pan and then flatten with a spatula to form a patty.
    • For baking the fish I tend to use an ovenproof dish and then cover with a piece of aluminium foil. Discard any excess liquid after cooking.
    • Let the sweet potato drain of excess liquid. Too much can prevent the fish cakes from binding together.
    • If the fish mixture feels too wet, add another half tablespoon of flour to the bowl.
    • Make sure the fish cakes are sufficiently cooked on one side before trying to flip them! Too soon and they could break up . . . But also keep an eye on them so they don't burn!

    📋 Frequently asked questions

    Which type of fish works best for these fish cakes?

    I tend to use cod but you can also use a white fish such as pollock.

    Can you bake these cod and sweet potato fish cakes?

    Personally I fry mine, but see below in the comments for a reader who baked them!

    How do I stop my fish cakes from breaking up?

    Fish cakes usually break up if they are too wet. Allow the sweet potato to drain of liquid in a colander, and when mashing leave some lumps. If the mixture seems too dry add a touch more flour, and if it doesn't seem sticky enough you can add another egg yolk.

    🍽 How to serve fish cakes

    I think fish cakes are always best with some form of sauce or dip. My tahini dill sauce is perfect for pairing with this recipe I think!

    And on the side you can do baked vegetables or salads such as my apple radish salad, my kale apple slaw or my quinoa arugula salad.

    🦀 Fish and a low histamine diet

    Fish and a low histamine diet can be a little tricky until you figure out how to make it work for you. Fresh fish builds histamine very quickly. Frozen fish though rates as 0 on the Swiss Interest Group Histamine Intolerance (SIGHI) food list for histamine. However, as SIGHI advise, it is best to not have any long-term storage, and to thaw quickly and use immediately. As a highly perishable food, it's a freezer to oven situation!

    cod and sweet potato fish cakes on a wooden board next to fresh parsley.

    🥣 More tasty fish recipes

    Find fun and tasty fish recipes here on the blog, including my popular almond crusted cod and my pistachio crusted cod. Some recent recipes to enjoy:

    • cod fillet, roasted potatoes and vegetables on a white plate.
      Air Fryer Frozen Cod
    • baked cod with panko crust on a cream plate with lettuce and sweet potato.
      Baked Cod with Panko
    • almond crusted cod on a bed of cabbage on a white plate.
      Almond Crusted Cod
    • sweet potato and ginger fish cakes on a white plate with a small bowl of tahini dressing.
      Sweet Potato and Ginger Fish Cakes

    I’m always in the kitchen, so come join me on Instagram, Facebook and Pinterest to be the first to hear of new recipes. And please do leave a star rating ⭐ if you've tried the recipe!

    📖 Recipe

    cod and sweet potato fish cakes on a lined wooden board next to a bowl of tahini and herbs.

    Cod and Sweet Potato Fish Cakes

    Claire
    These cod and sweet potato fish cakes are a simple and tasty comfort food dinner, perfect for a family dinner. Makes approximately 6 small fish cakes.
    5 from 3 votes
    Prevent your screen from going dark
    Print Recipe Pin Recipe
    Prep Time 15 minutes mins
    Cook Time 40 minutes mins
    Total Time 55 minutes mins
    Course Dinner, Lunch, Main Dish
    Cuisine American, British
    Servings 2 servings
    Calories 1221 kcal

    Equipment

    • Colander

    Ingredients
      

    • 2 cod fillets
    • 2 small sweet potatoes peeled and cut into chunks
    • ½ small white onion finely diced
    • 1 garlic clove minced or finely diced
    • 1 egg yolk
    • 1 tablespoon fresh parsley finely diced
    • ½ teaspoon dried thyme
    • 1.5 tablespoon flour
    • 5 tablespoon extra virgin olive oil
    • pinch salt
    • pinch black pepper optional

    Instructions
     

    • Preheat the oven to 200C / 390F. Once at temperature bake the fish for 25-30 minutes until cooked through.
    • Boil or steam the sweet potatoes so that they are soft when pierced with a fork. Set aside to cool for a few minutes in a colander. Mash with the back of a fork or potato masher.
    • Fry the onion with the thyme and garlic for 4-5 minutes until softened.
    • Once the fish is ready, add it to a large bowl and allow to cool for a few minutes. Flake the fish. Add the sweet potato, onion and thyme mix, parsley, egg yolk, flour, salt and pepper to the bowl and stir to combine.
    • Pour in 4-5 tbsps of olive oil to a large frying pan. Once heated, take a small handful of the fish mixture and turn it into patties using your hands. Add to the pan. Repeat for the rest of the fish mixture. Cook for 5-6 minutes until the fish cakes have cooked through and hold together. Be careful flipping so they don't break up!

    Notes

    • To make a fish cake, take a small handful of the fish mixture and roll between your hands to form a ball. Add to the frying pan and then flatten with a spatula to form a patty.
    • For baking the fish I tend to use an ovenproof dish and then cover with a piece of aluminium foil. Discard any excess liquid after cooking.
    • Don't over-mash the sweet potato. It's best to leave a few lumps as this helps the fish cakes stick together.
    • Make sure the fish cakes are sufficiently cooked on one side before trying to flip them. Too soon and they could break up . . . But also keep an eye on them so they don't burn!
    • If the mixture seems too wet you can add a little more flour. If it doesn't seem sticky enough, add another egg yolk.
    • Please note that nutritional information is offered as a courtesy. It is auto-generated and should be understood to be an estimate.
     
    Swiss Interest Group Histamine Intolerance (SIGHI) food list for histamine
    All ingredients score 0 on the SIGHI list with the exception of:
    • black pepper, which scores 2. This is optional.
    • flour isn't rated on SIGHI, but wheat scores 1.

    Nutrition

    Calories: 1221kcalCarbohydrates: 33gProtein: 165gFat: 44gSaturated Fat: 7gPolyunsaturated Fat: 6gMonounsaturated Fat: 27gCholesterol: 484mgSodium: 565mgPotassium: 4210mgFiber: 5gSugar: 6gVitamin A: 19111IUVitamin C: 17mgCalcium: 209mgIron: 5mg
    Tried this recipe?Mention @lowhistaminekitchen or tag #lowhistaminekitchen!
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    Reader Interactions

    Comments

    1. Rebecca Hogenelst says

      November 22, 2023 at 11:32 am

      5 stars
      I love these cod cakes. The sweetness and the taste. I love them
      Thank you

      Reply
      • Claire says

        November 22, 2023 at 12:22 pm

        So glad you like them Rebecca!

        Reply
    2. Lee says

      January 05, 2021 at 9:19 pm

      Great recipe. I did not fry mine but baked them in the oven until brown and they were delicious. (I'm on a low fat diet due to gallbladder and liver issues)

      Reply
      • throughthefibrofog says

        January 05, 2021 at 10:21 pm

        So glad you liked them Lee! I hadn't thought to bake them, but will have to try it that way as well.

        Reply

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    Recipe Rating




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    Hi, I’m Claire. After a diagnosis of MCAS I began to follow a low histamine diet, which has helped me manage my symptoms. Here I hope to show that a restrictive diet can still be full of flavourful meals, and help you enjoy being creative in the kitchen.

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