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Duck Fat Hasselback Potatoes with Parmesan

Published Dec 20, 2024
Serves 5| Ready in 1 hrs 10 mins
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Crispy layers of potato on the outside, ultra creamy on the inside. Duck fat Hasselback Potatoes with parmesan is the ultimate indulgent roast potato dish for weeknights and holidays.

Duck Fat Hasselback Potatoes with Parmesan

Give me potatoes every day and I’m a happy girl. For the potato lovers out there, we’re always looking for new ways to level up our potato game, especially when it comes to entertaining for events like Thanksgiving or Christmas. I can tell you, roasting potatoes in duck fat and parmesan cheese adds a depth of flavour that you’ll keep craving for again and again. Potato lovers, read on!

Making Hassleback potatoes may seem tricky but it's actually super easy! No peeling or no boiling! Follow along for my top tips and step by step guide for cooking these potatoes to perfection everytime.

Why you’ll love this:

  • Hasselback potatoes are so easy to make. No peeling or par boiling needed!
  • Minimal ingredients are needed to achieve this delicious dish
  • Perfect for entertaining. I’m a huge fan of making delicious dishes that don’t add stress when entertaining, and this dish lets the oven do the work.

Other variations to try:

Not a fan of duck fat? Try a combination of oil and butter. Adding herbs like sage and thyme will also give it a new layer of flavour. Chilli and honey for a hot pf a ‘hot honey’ vibe at the end of the cook - so yum! Adding a little truffle oil at the end creates another level of luxuriousness.

Cooking tip and tools:

  • Choose oval shaped, medium sized starchy potatoes (baby potatoes will go mushy). Try to choose the same size to ensure they will all cook at the same time.
  • Place chopsticks or something similar either side of the potatoes to stop the knife from going through to the bottom.
  • Make your slices around 3mm thick I find gives a good result, but don't worry about it being perfect!
  • After slicing, make sure you fan out the slices to allow the fat to get into all the crevices.
  • Brush on the duck fat ensuring the whole surface area is covered.
  • Basting the tops of the potatoes midway through the cook will ensure the outer potatoes get nice and crispy. If for some reason you struggle to get the fat from the tray, heat a little more in a saucepan to baste them with.
  • The cook time may change depending on your potato size. Best to test one by piercing with a fork. If there’s no resistance, then you’re golden.

Want more potato recipes?

If you love a classic roast potato recipe, this one is a winner every time. My truffle potato gratin is the most delicious, creamy potato gratin ever, or my brown butter mashed potatoes is the ultimate way to make mashed potatoes, so easy and so delicious, and my Lemon Feta Roast Potatoes are so vibrant and tasty, and not to mention super easy.

Want some other vegetable side dishes?

These will become favourites:

Frequently asked questions
How do I reheat hasselback potatoes?

Reheat in the oven, on a baking tray at 190 C / 375 F for about 10 minutes or until heated through.

Ingredients and substitutions

Duck Fat Hasselback Potatoes with Parmesan
Potatoes
I like gold potatoes for this recipe. Best are Yukon Gold, Sebago or Maris Piper.
Duck fat
The Rolls Royce of roasting fats. An alternative is butter/duck fat combined, olive oil or even beef tallow.
Parmesan cheese
For the ultimate crispy layer and level up for your spuds.
Garlic
Permeates the oil and roasts so that you can smear roasted garlic on them when eating.
Salt and pepper
To season.
Fresh rosemary
For a herbaceous flavour.

How to make it - step by step!

Slicing hasselback potatoes
1. Preheat oven and prep potatoes

Preheat the oven to 200 C / 395 F. Slice each potato in half to get two flat oval shapes. Place the flat size on a cutting board. Place chopsticks either side of your potato half. Then using a sharp knife to cut 3mm / 1/8” thick slices, cutting down to the skewer.

Adding parmesan cheese to a baking tray
2. Add parmesan layer to tray

Line a large baking tray with baking paper. Drizzle 1 tbsp of the duck fat on the baking paper. Scatter parmesan cheese over the baking paper along with ¼ tsp salt and ½ tsp pepper.

Adding duck fat to potatoes
3. Add potatoes to tray

Lay each potato cut side down onto the parmesan. Then brush each potato with duck fat, season with salt and pepper.

Basting potatoes with duck fat
4. Roast potatoes and then baste

Roast for 30 minutes, then baste with the duck fat in your tray and add garlic.

A tray of golden roasted hasselback potatoes
5. Roast until golden brown

Cook for a further 25-30 minutes until potatoes are soft in the middle and golden brown on the outside.

Adding toppings to hasselback potatoes
6. Add toppings

Serve with a shaving of parmesan cheese on top and a scattering of rosemary.

Watch the how to video

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Duck Fat Hasselback Potatoes with Parmesan

Cook Time
1 hrs
Prep Time
10 mins
Serves
5
Crispy layers of potato on the outside, ultra creamy on the inside. Duck fat Hasselback Potatoes with parmesan is the ultimate indulgent roast potato dish for weeknights and holidays.

Parmesan layer

  • 1 tbsp duck fat
  • 1/2 cup parmesan cheese
  • 1/2 tsp black pepper
  • 1/2 tsp sea salt

Potatoes

  • 5 medium gold potatoes
  • 3 tbsp duck fat
  • 2 tsp sea salt
  • 1 tsp pepper
  • 3 cloves garlic
  • 2 tbsp fresh rosemary

For topping

  • Extra parmesan cheese
  • Fresh rosemary
Category - Sides
Cuisine - Swedish inspired
Skill Level - Super easy
Other categories -
Sides, Entertaining, Christmas Recipes
Nutritional information
Calories 266.0 kcal13%
Carbohydrates 31.3 g10%
Sodium 1217.5 mg53%
Magnesium 46.0 mg11%
Protein 7.2 g14%
Sugar 1.4 g2%
Calcium 148.4 mg15%
Vitamin A 2%
Fat 13.0 g20%
Fiber 4.1 g16%
Iron 1.6 mg9%
Vitamin C 41%

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