These Tuna Patties with Sweet Potato are always a crowd-pleaser! Ready in just 30 minutes, they’re crispy, flavorful, and so delicious! This recipe is perfect as a light meal or a hearty appetizer.

I always love a satisfying recipe that I can make with just a few pantry staples. These tuna patties are made with canned tuna and sweet potatoes, plus a few other simple ingredients. They’re also super versatile, so I can enjoy them as a full meal, a satisfying snack, or a tasty appetizer.

If you have leftovers, they’re perfect for meal prep, too!  I like to make a few extras and portion them out for lunches, similar to these Salmon Patties with Coleslaw Meal-Prep Bowls.

Tuna patties with sweet potato on parchment paper garnished with scallions.
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Sweet potatoes are such a delicious addition to classic tuna patties! They help hold everything together, so the patties don’t fall apart when you cook them, like most fish cakes. Plus, it makes them soft on the inside, crispy on the outside, and absolutely irresistible.

How To Make Tuna Patties with Sweet Potato

Ingredients

  • Sweet potatoes — I use 2 small sweet potatoes for this recipe.
  • Tuna — I recommend using good-quality canned tuna. Feel free to use whatever variety you prefer.
  • Onions — For the best flavor, I like a combination of white and green onions.
  • Breadcrumbs — I use gluten-free breadcrumbs, but you can use regular if you don’t need the recipe to be gluten-free. Or you can use almond flour too.
  • Eggs — The eggs are what bind the ingredients together.
  • Seasonings — I use a blend of garlic powder, chili pepper, and salt and pepper.
  • Lemon— I juice half of the lemon, and cut the other half into wedges.
  • Mayonnaise — I recommend trying my easy homemade mayonnaise for this recipe. Of course, you can use whatever mayo you have on hand.
  • Cooking spray — For simplicity’s sake, I like to use olive oil cooking spray, but you can also use a drizzle of olive oil.
Small bowls of pre-measured ingredients.

Instructions

Cook the sweet potatoes:

  • In a medium pan or stockpot, bring water to a boil and add the cubed sweet potatoes. Cook them for about 10 to 15 minutes, or until they’re fork tender.
  • Drain the sweet potatoes and run them under cold water to cool them down. Then, transfer them to a large mixing bowl and mash with a fork.
Left: diced sweet potatoes in a pot. Right: mashed sweet potatoes in a bowl.

Combine the ingredients:

  • Once the sweet potatoes have cooled, add the tuna, green onions, white onions, breadcrumbs, eggs, and mayonnaise. Season with garlic powder, chili pepper, lemon juice, salt, and pepper.
  • Then, mix until all the ingredients are well combined.
Left: ingredients in a glass bowl. Right: ingredients mixed together.

Shape and cook the patties:

  • Using your hands, shape the tuna mixture into evenly sized patties or tuna cakes/tuna burgers.
  • Heat a non-stick frying pan over medium heat and add cooking spray, vegetable oil, or olive oil.
  • Cook the tuna patties for 3 to 4 minutes on both sides or until they’re golden brown.
Left: shaped patties on parchment paper. Right: patties cooking in a skillet.

Garnish and serve:

  • Allow the tuna patties to cool slightly before serving.
  • Garnish with chopped scallions or fresh herbs, if desired. Serve with lemon wedges, yogurt for dipping, and enjoy!
Tuna patties with sweet potato on parchment paper garnished with scallions.

Expert Tips

  • For perfectly uniformed patties, I use a large ice cream or cookie scoop to portion out the mixture.
  • Be sure to chop the sweet potatoes as uniformly as possible so they cook evenly. Alternatively, you can buy pre-cut sweet potatoes in the produce section of your grocery store.
  • A great time-saver that I recommend is to place the green onions and onions in a food processor to mince them up super finely.
  • My secret to the perfect sear is to not overcrowd the pan or flip the patties too soon. Allow them plenty of space to cook and time to get nice and browned.
  • If the patties are hard to form, I suggest letting them chill in the refrigerator for about 10 minutes. You can also wet your hands with cold water to keep the mixture from sticking.
Half of a tuna patty dipped in sauce.

What To Serve with Tuna Patties

A stack of tuna patties on parchment paper.

Tuna Patties Recipe

3.87 from 75 votes
Author: Olivia Ribas
Servings8 people
Prep Time15 minutes
Cook Time21 minutes
Total Time36 minutes
This Tuna Patties Recipe is always a crowd-pleaser! Ready in just 30 minutes, they’re crispy, flavorful, and so delicious! This gluten-free recipe is perfect as a light meal or hearty appetizer.
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Ingredients  

Instructions 

  • In a medium pan, bring water to a boil and add sweet potatoes. Cook them for about 10-15 minutes or until tender.
  • Drain and run them under cold running water. Transfer to a large bowl and mash with a fork.
  • Add the tuna, green onions, breadcrumbs, eggs, onions, garlic powder, chili pepper, lemon juice, mayonnaise, salt, and pepper. Mix well until all ingredients are combined.
  • Use your hand to shape mixture portions into patties.
  • Heat a non-stick frying pan over medium-high heat and add olive oil or cooking spray.
  • Cook patties for 3-4 minutes on both sides or until golden brown.

Notes

  • For perfectly uniformed patties, you can use a large ice cream or cookie scoop to portion out the mixture.
  • Make sure to chop the sweet potatoes as uniformly as possible so they cook evenly. Alternatively, you can buy pre-cut sweet potatoes.
  • You can place the green onions and onions in a food processor to mince them up super finely. 
  • My secret to the perfect sear is to not overcrowd the pan or flip the patties too soon.
  • If the patties are hard to form, let them chill in the refrigerator for about 10 minutes. You can also wet your hands to keep the mixture from sticking.
  • To store: Store the cooked sweet potato tuna patties in the fridge for up to 4 days in an airtight container.
  • To reheat: You can reheat the patties quickly in a skillet.
  • To freeze: Flash freeze the patties on a lined sheet pan and transfer them to a freezer-safe bag for up to 3 months. 

Nutrition

Serving: 1/8, Calories: 90kcal, Carbohydrates: 9g, Protein: 8.8g, Fat: 2g, Cholesterol: 39.2mg, Sodium: 298.6mg, Sugar: 1.5g

Nutrition information is automatically calculated, so should only be used as an approximation.

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Olivia Ribas

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I’m so happy you’re here!! For the last 12 years, I’ve been sharing easy, quick, and family-friendly recipes like chicken, salmon, ground meat and pork chops (total reader favorites!), perfect for stress-free weeknight dinners made with fresh, seasonal ingredients.

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3.87 from 75 votes (59 ratings without comment)

73 Comments

  1. Barb says:

    These sound delicious! I’m wondering though how many patties it makes? Just trying to get an idea of size.
    Thanks!

    1. Olivia Ribas says:

      Hello, Barb. It is about 12-15 patties. It will depends on the size you make the patties. Thanks for your question.

  2. Maria says:

    Just made these for our evening meal and they were absolutely delicious. My son is a very fussy eater and he also cleared his plate. I initially thought they appeared a bit wet So I chilled them for half hour before cooking. I need not have worried, they cooked perfectly. I will be making these again and again, thankyou for posting. I got 10 large fish cakes for my batch so have plenty left for lunch tomorrow

  3. Fiona says:

    Just made these – amaaaaaazing! Mine fell apart a bit when I fried them (due to my bad catering skills, rather than the recipe), but they still taste fab.

    I have a lot of mixture left over, so I’m gonna have more tomorrow, but I was wondering if they would freeze well once they’ve been fried?

  4. Andrea Bastias says:

    They are delicious, but I baked the patties , and for faster cooking I microwave the sweet potatoes.

  5. Jordan Sanchez says:

    These didn’t bind very well for me 🙁 I don’t know what’s up with them but I can’t flip them without them falling apart. Is it me or the recipe?

    1. Olivia Ribas says:

      Jordan, I don’t know why it happened to you. It never happened to me. Do you add the right about of sweet potato and breadcrumbs? Or what was the type of sweet potato you used? If you add more breadcrumbs it will help to stay together. Let me know if it solves the problems 😉

  6. Rhonda says:

    While I’m sure that your exact recipe is delicious, I just made these and they were awesome!!! I used three large sweet potatoes, and five cans of tuna. I seasoned them with salt, pepper, thyme, garlic and onion pwd, and cayenne. I didn’t even add bread crumbs or eggs because I didn’t have them. This made the patties a little looser, but they stayed together and came out fine. I tried them in a hot cast iron skillet with olive oil. On some,i sprinkled some shredded cheese, and on others I squeezed on a little lime juice. Both were delicious. Super easy, super delicious base recipe that lends itself to endless variations.

    1. Rhonda says:

      Before I went gluten free, I always loved making a tuna patty that used ‘Saltine crackers’ as the binder, which is obviously not healthy. I think from now on I’ll always use sweet potato instead…such a better option. I always seasoned them very heavily with lemon and thyme, and served them with a white sauce with green peas in it. Delicious!. (Now I just need to learn how to make a gluten free white sauce.) Thank you for improving my family recipe!. Well done!

  7. Amanda van Niekerk says:

    lovely!

    1. Olivia Ribas says:

      Thanks 😉

  8. Amanda van Niekerk says:

    I used leftover couscous instead of the breadcrumbs and they came out nicely. Thanks for this recipe

    1. Olivia Ribas says:

      Wow that’s great. I’ve never thought about adding couscous in this recipe. Thanks for the feedback 😉

  9. Karen says:

    Would this recipe work for school lunch?

    1. Olivia Ribas says:

      I believe so, Karen!

  10. Sharyn says:

    These look delicious, would they freeze ok?

    1. Olivia Ribas says:

      I think so, Sharyn. Although I can’t say for sure since I’ve never froze them before.

  11. Lauren says:

    We used fresh tuna (perks of living on the coast!), and we used about twice the amount the recipe called for. We also used real garlic & these were delicious!

    1. Olivia Ribas says:

      Amazing!

  12. Cheryl says:

    I made these and they turned out delicious! But, do you think they would work with canned yams to save time?

    1. Olivia Ribas says:

      I’m not sure since I’ve never used canned yams, but I don’t see why not.

  13. Rebecca says:

    I just made my own version of these due to not having some ingredients/unable to have some of the ingredients and I couldn’t ram them in my face quick enough! I used one large sweet potato, two tins of tuna, frozen peas, almond flour instead of bread crumbs, asafoetida instead of onions, chilli flakes, GF worcester sauce and black pepper. I sauteed some kale for them to sit on in olive oil and GF worcester sauce. As i was eating them and glanced over the recipe again, i realised i’d forgotten the eggs! Nevermind though, they stayed together very well and they were super tasty. Thank you for the inspiration!

    1. Olivia Ribas says:

      You’re very welcome and your version of my recipe sounds amazing 😉 Thanks for stopping by!

  14. Frances Olivia says:

    Have made these several times. Who knew sweet potato was so good in so many ways. really liked these. Thank you

    1. Olivia Ribas says:

      That’s amazing. Happy you liked it 😉

  15. Dennis A. Holloran says:

    O , I look at your website and another ,your’s for the carb’s , I’m 74 yrs. young . I saw a recie pt tthat had two pork chops in a dish ,it was in a cooker (repecit)with apples ,brown suger and some other main thing???? I cannot find it and I looked at the other site with no luck????

  16. Camila says:

    These are SO GOOD! Life changer, seriously. I always have tuna and sweet potatoes at home, and this is a fantastic “I have nothing in the fridge” meal. I will definitely make them again. Who would have thought they went so well together?   Great recipe!

    1. Olivia Ribas says:

      It’s a great combo 😉

  17. Jamie says:

    Have you tried these with quinoa instead of breadcrumbs? If so, how did they turn out. These sound interesting.
    Thank you!

    1. Olivia Ribas says:

      I tried it with Almond Flour and it worked very well too.

  18. Selena says:

    LOVE!! I just made these and they were super yummy. I added some dairy-free shredded cheese and cumin just for fun. 😉

    1. Olivia Ribas says:

      That’s awesome. Thanks for stopping by 😉

  19. Kim T says:

    I wonder if that lemon butter sauce from the tuna muffins recipe would be nice drizzled on top of these yummies!

    1. Olivia Ribas says:

      For sure it would work!

  20. Sheridan says:

    Two cans of tuna, how much in grams please?

    1. Olivia Ribas says:

      One can of tuna is about 185g.