Potato and Tuna Gratin

Potato and Tuna Gratin

Melted cheese makes this gratin all the more delicious.

Cooking time
20 minutes+
  • Nutrition facts are for one serving.
  • Time to soak and cook in an oven not included in the cooking time.

Ingredients(Servings: 2)

Ingredients(Servings: 2)


1/4 bulb

1 can

3 Tbsp

as desired


100 ml (3.4 fl. oz.)


  1. Peel the potato, cut into 2 mm (0.1 inch) thick slices, soak in water for 5 minutes and then drain.
  2. Thinly slice up the onion.
  3. Open and drain the canned tuna.
  4. Place the potato slices from step (1) into a lidded heat-safe container, top with the sliced onion from step (2), cover with the lid and microwave for 4 minutes on high or until the potato slices soften.
  5. Place alternate layers of potato slices (4) and onion (3) in a gratin dish. Mix together sauce ingredients from (A) and pour over the potato slices and tuna. Top with the shredded cheese.
  6. Broil in a toaster oven for 8-10 minutes or until cheese is golden brown. Sprinkle on the diced parsley and serve.

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