Mashed Potato and Onion Pie

This Mashed Potato Pie or filo rolls is a delicious traditional Mediterranean-style pie. It is made with simple ingredients such as potatoes, onion, filo pastry sheets, eggs and milk. I prefer the filo sheets to high-calorie shortcrust pastry, but you can use puff pastry if you wish. This mashed potato pie makes a lovely vegetarian dinner for the whole family. Also, you can serve it in the holidays as a side dish.

I love to serve this Mashed Potato Pie with grilled chicken breasts and a green salad. You can also put some in your children’s lunchboxes at school; they will love it!

Why this recipe works?

• It is a quick and easy lunch recipe.
• You can make it ahead of time.
• Healthy lunch for kids.
• It freezes and reheats well.

What’s in this potato and onion pie (filo rolls)?

For the Pie:
Filo sheets: If you use frozen filo sheets, make sure you defrost them overnight.
Sesame seeds and Nigella sativa seeds: For sprinkling on top of the pie.

Filling:
Potatoes: I use 3 large potatoes.
Tomato paste: for lovely colour and taste.
Onion: I use I diced onion
Seasoning: salt, ground black pepper and paprika.

Dressing:
Eggs: preferably at room temperature.
Milk: You can use whole, skimmed or non-dairy milk.
Yoghurt: use any plain yoghurt, or you can replace it with sour cream.
Seasonings: salt and ground black pepper.
Butter and oil: to make the pie super soft and fluffy.

How to make mashed Potato Pie (filo rolls)?

Preparations:

• Preheat the oven to 180C.
• Grease a 22 cm baking dish with butter or line with baking paper.

Preparing the filling:

• Peel and dice the potatoes, and boil in salted water until fully cooked.
• Drain and mash the potatoes with a fork or potato masher.
• Place the mashed potatoes in a large mixing bowl. 
• Add salt, pepper, paprika, onion, tomato paste, and mix well.

Preparing the dressing: 

• In a deep bowl or jug, combine yoghurt, milk, salt, pepper, eggs, melted butter, and cooking oil.
• Assembling everything: 
• Lay one filo sheet on a flat surface and brush generously with the dressing mixture
• Add 2-3 tablespoons of the potato mixture in a line across the short end of the pastry.
• Roll the sheet tightly and place it in the baking dish.
• Repeat until you have used all the potato mixture.
• Top with a sprinkle of sesame seeds and black seeds.
• Bake for 40-45 minutes until golden brown.

Top tips:

• If you like your potatoes to have a creamy texture, mash them using an electric hand blender.
• Check the filling for taste; you may need to add more salt.
• Keep your filo sheets covered with a damp kitchen towel while working, as they tend to dry quickly.

Recipe variations:

• If you like it cheesy, add some cheese to the filling, such as Mozzarella, Cheddar, Parmesan or Edam.
• Add ½ teaspoon of red chilli flakes to the filling to make it spicier.

Recipe FAQs

Can I swap potato for sweet potato?

No, you can’t. The taste and texture of the pie will be totally different.

Can I add herbs to the fillings?

Yes, feel free to add ½ teaspoon of dried or fresh basil, thyme or oregano.

Can I add meat to this mashed potato Pie?

Yes, feel free to add meat to the filling, such as cooked minced beef or small chunks of pre-cooked chicken.

Can I use tomato sauce instead of tomato paste?

No, you can’t. Tomato sauce is a bit liquidy, and we don’t want the filling to be runny.

How to store and freeze Mashed Potato Pie?

To store the pie, place portions in a well-sealed container in the fridge. It will last for 3-4 days. To freeze it, make sure you put it in an airtight container. It will keep for 2-3 months.

How to reheat this pie?

Leave it to defrost overnight at room temperature.

Place in a microwave-safe dish and microwave for 2 minutes on high.

For best results, reheat it in the oven for 10 minutes at 180C. This will keep the pastry nice and crisp.

Serving suggestions:

This Mashed Potato Pie is a meal in itself; however, you can serve it alongside steak, grilled or baked chicken. Or serve it next to any salad dish you fancy. Check the suggested recipes below:

• Homemade chicken nuggets
• Oven-baked bbq chicken
• Pan-fried sea bass with soy sauce

Tools used in making this recipe:

• Casserole dish: For baking the Mashed Potato Pie.
• Potato masher: For mashing the potatoes. You can also use a fork or an electric hand mixer.
• Measuring jug: To whisk all the sauce ingredients.

More family dinner recipes:

• Kung Pao beef: Spicy chunks of steak cooked with veggies.
• Pesto Pasta with homemade pesto sauce: A simple and quick dinner for the whole family.
• Taco Pasta - one-pot recipe: A colourful and delicious pasta recipe the whole family will love.
• Moussaka (Musaka): Mediterranean eggplant recipe that is flavourful and tasty.

More easy recipes:

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