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White ceramic bowl with tuna potato salad and silver spoon.
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5 from 9 votes

Tuna Potato Salad

Delicious Tuna Potato Salad with a light, tangy dressing. Buttery potatoes and tuna in every bite. Ready in 20 minutes!
Prep Time5 minutes
Cook Time15 minutes
Course: Side Dish
Cuisine: American
Diet: Gluten Free, Low Lactose
Servings: 4

Equipment

  • large pot for boiling
  • sharp knife
  • lemon zester

Ingredients

  • 2 lbs baby red potatoes and/or baby dutch gold potatoes
  • 7-10 oz canned tuna in water or oil *see notes
  • ¼ red onion, sliced thin

Lemon Dressing

  • ½ tsp dried dill
  • ½ tsp dried basil
  • ¼ tsp salt more as needed
  • ¼ tsp pepper
  • 2 garlic cloves, minced
  • 3 Tbsp olive oil
  • Tbsp whole grain mustard *see notes
  • 3 Tbsp capers in brine
  • 1 Tbsp lemon zest about one lemon
  • 3 Tbsp lemon juice
  • 3 Tbsp fresh cilantro, chopped

Instructions

  • In a large pot (4-6 quarts) bring water to a boil. While bringing water to a boil, wash the potatoes. Slice the potatoes in half so they are bite sized, set aside until water is boiling. Next prepare the lemon dressing in a bowl with a whisk.
  • Add to the water with a heavy pinch of salt. Boil for 10-14 minutes or until they are tender enough to pierce with a fork. Let the potatoes cool. Once they are cooled, rinse with cold water (briefly) just to ensure the heat is out of them. 
  • Drain, rinse and drain all water from tuna. I add tuna to a mesh colander and drain the can water, I then give it a little rinse and then press it lightly to drain any excess liquid. 
  • In a large serving bowl, add potatoes, tuna and lemon dressing. Gently mix it all together and enjoy!

Notes

*I use one pound baby red potatoes and one pound dutch gold but you can use either  and/or fingerling. 
*I use albacore in water. Skip jack, canned salmon or canned chicken will also work.
*dijon mustard or mayo will also work great.
This dish will keep in the fridge in an airtight container for up to 4 days. You can add a little more mustard and oil to it to freshen it up as the week goes on, the potatoes tend to soak up liquid. I do not recommend freezing it. 

Nutrition

Serving: 0.75cup | Calories: 326kcal | Carbohydrates: 38g | Protein: 17g | Fat: 13g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Cholesterol: 21mg | Sodium: 602mg | Potassium: 1191mg | Fiber: 5g | Sugar: 3g | Vitamin A: 69IU | Vitamin C: 27mg | Calcium: 47mg | Iron: 3mg