Delicious spinach and tender potatoes come together in a creamy sauce baked to golden perfection in this dish. Try out this fantastic potato and spinach tuna bake recipe the next time you want to make dinner a little more exciting.

How To Make Potato And Spinach Tuna Bake

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10 mins
1 hr
1 hr 10 mins


  • 3 tbsp butter
  • 2 tbsp plain flour
  • 2 ½ cups milk
  • 1 can tuna 6 oz. can, drained, flaked
  • ½ cup grated parmesan plus ¼ cup extra
  • 1 grated lemon zest
  • 4 ½ cups potatoes peeled, cut into slices
  • 7 oz. baby spinach leaves chopped
  • 1 onion finely sliced


  • Preheat oven to 350°F. Lightly grease an 8-cup baking dish.
  • In a medium saucepan, melt butter on high. Stir in flour and cook for 1 minute.
  • Remove from heat and gradually mix in milk until smooth.
  • Return to heat and cook, stirring until the sauce boils and thickens. Simmer for 3 minutes.
  • Stir in tuna, parmesan and zest. Season to taste.
  • Arrange half of the potato slices in a deep baking dish.
  • Layer with half the spinach and onion, with one-third of the tuna mixture.
  • Repeat layers, finishing with the tuna mixture.
  • Cover with foil and bake for 30 minutes.
  • Uncover and sprinkle with extra parmesan.
  • Bake a further 15 to 20 minutes until the potato is tender and top is golden. Serve.

Nutrition Facts

Calories: 239kcal | Carbohydrates: 28g | Protein: 12g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 32mg | Sodium: 209mg | Potassium: 802mg | Fiber: 4g | Sugar: 6g | Vitamin A: 2649IU | Vitamin C: 32mg | Calcium: 202mg | Iron: 2mg