How to Cook: Roast Potatoes

How to Cook: Roast Potatoes is a medium British recipe that serves 4. 350 calories per serving. Recipe by Adam Byatt on YouTube.

Prep: 25 min | Cook: 1 hr 20 min | Total: 2 hrs

Cost: $15.22 total, $3.81 per serving

Ingredients

  • 2 kg Maris Piper Potatoes (peeled and cut into even wedges)
  • 200 g Duck Fat (melted; used generously for roasting)
  • 2 tbsp Maldon Sea Salt (coarse flaky salt)
  • 2 tbsp Fresh Thyme (leaves only, chopped)
  • 1 head Garlic (cloves peeled, left whole)
  • 1 tbsp Fresh Rosemary (optional) (chopped; optional for pork roasts)

Instructions

  1. Peel and Cut Potatoes

    Peel the potatoes from top to bottom, then cut each potato into even wedges using a very sharp knife to create smooth surfaces.

    Time: PT10M

  2. Soak in Salted Cold Water

    Place the cut potatoes in a large bowl of cold water, add the sea salt, and let sit briefly. Do not wash after peeling.

    Time: PT5M

  3. Parboil Potatoes

    Drain the potatoes, return them to a large pot, cover with fresh cold water, bring to a boil and cook for about 20 minutes until the edges are just tender but the centre is still firm.

    Time: PT20M

  4. Drain and Steam Dry

    Drain the potatoes in a colander, give them a gentle shake, then spread them on a clean kitchen towel and let sit for 10 minutes to steam off excess moisture.

    Time: PT10M

  5. Preheat Oven and Fat

    Pre‑heat the oven to 190°C fan. Place the heavy roasting tray inside and add the duck fat, allowing the tray and fat to heat up for about 15 minutes.

    Time: PT15M

    Temperature: 190°C

  6. Combine Potatoes with Fat, Garlic and Herbs

    Carefully remove the hot tray (use oven mitts), add the potatoes, whole garlic cloves, and a drizzle of extra duck fat if needed. Toss gently to coat.

    Time: PT2M

  7. First Roast

    Roast the potatoes in the oven for 30 minutes, turning once halfway through to ensure even colour.

    Time: PT30M

    Temperature: 180°C

  8. Second Roast and Finish

    After the first 30 minutes, turn the potatoes again, sprinkle a little more sea salt, and roast for another 30 minutes until crisp and golden. Finish with chopped fresh thyme.

    Time: PT30M

    Temperature: 180°C

  9. Serve

    Remove the tray, let the potatoes rest a minute, then serve hot as a side to roast beef, chicken or pork.

    Time: PT2M

Nutrition Facts

Calories
350
Protein
5g
Carbohydrates
45g
Fat
15g
Fiber
4g

Dietary info: Gluten-Free, Dairy-Free, Paleo-Friendly

Allergens: Duck

Last updated: April 16, 2026

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How to Cook: Roast Potatoes

Recipe by Adam Byatt

A step‑by‑step guide to making ultra‑crispy, fluffy roast potatoes using Maris Piper potatoes, duck fat, sea salt, garlic and fresh thyme. Inspired by Adam Byatt's simple yet foolproof Sunday roast side.

MediumBritishServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
17m
Prep
1h 47m
Cook
15m
Cleanup
2h 19m
Total

Cost Breakdown

$15.22
Total cost
$3.81
Per serving

Critical Success Points

  • Cut potatoes evenly with a sharp knife to maximize surface area.
  • Parboil potatoes just until the edges are tender but the centre remains firm.
  • Allow potatoes to steam dry for 10 minutes before roasting.
  • Pre‑heat the roasting tray with duck fat in the oven until very hot.
  • Roast without overcrowding and turn halfway for even crispness.

Safety Warnings

  • The oven and tray will be extremely hot; use oven mitts.
  • Duck fat can splatter – keep face and hands clear when adding potatoes.
  • Steam from the draining potatoes can cause burns; handle the colander carefully.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of roast potatoes in British cuisine?

A

Roast potatoes are a cornerstone of the traditional British Sunday roast, symbolising comfort and family gatherings. The practice of roasting potatoes in animal fat dates back to the 19th century when beef dripping and later duck or goose fat were used to achieve a crisp exterior.

cultural
Q

What regional variations of British roast potatoes exist across the United Kingdom?

A

In Scotland, potatoes are often roasted in beef dripping, while in England many cooks prefer duck or goose fat for extra richness. Some Welsh households add rosemary, and in the North of England a sprinkle of malt vinegar is sometimes used for tang.

cultural
Q

How are traditional British roast potatoes traditionally served at a Sunday dinner?

A

They are typically served hot and golden alongside roast beef, chicken or pork, accompanied by gravy, horseradish, and seasonal vegetables like carrots and peas. The potatoes are placed on the same platter as the meat to soak up the juices.

cultural
Q

What occasions or celebrations are roast potatoes traditionally associated with in British culture?

A

Roast potatoes feature prominently at Sunday family meals, Christmas dinner, and holiday gatherings such as Easter and Thanksgiving‑style feasts in the UK. They are considered an essential component of any celebratory roast.

cultural
Q

What makes this roast potato recipe special compared to other British roast potato methods?

A

Adam Byatt emphasizes three key steps: cutting with a sharp knife for maximum surface area, parboiling just until tender, and using a hot heavy tray loaded with duck fat. This combination yields an ultra‑crispy exterior while keeping the interior fluffy.

cultural
Q

What are the authentic traditional ingredients for British roast potatoes versus acceptable substitutes?

A

Traditionally, starchy potatoes (Maris Piper or King Edward), duck or goose fat, and coarse sea salt are used. Acceptable substitutes include beef dripping, olive oil, or other high‑smoke‑point oils, and other starchy potatoes like Russet or Yukon Gold.

cultural
Q

What other British dishes pair well with these roast potatoes?

A

They pair perfectly with classic roast beef, roast chicken, pork loin, lamb roast, Yorkshire pudding, and gravies. A side of steamed greens or Brussels sprouts completes the traditional plate.

cultural
Q

What are the most common mistakes to avoid when making roast potatoes at home?

A

Common errors include over‑boiling the potatoes, using a cold pan, overcrowding the tray, and skimping on fat. Each mistake leads to soggy or unevenly browned potatoes.

technical
Q

Why does this roast potato recipe use duck fat instead of olive oil?

A

Duck fat has a higher smoke point and imparts a richer, buttery flavour that helps create a deep golden crust. Olive oil can burn at high oven temperatures and doesn’t give the same luxurious mouthfeel.

technical
Q

What does the YouTube channel Adam Byatt specialize in?

A

The YouTube channel Adam Byatt focuses on straightforward, technique‑driven home cooking tutorials, often highlighting classic British dishes and practical tips for everyday cooks.

channel
Q

How does the YouTube channel Adam Byatt's approach to British cooking differ from other cooking channels?

A

Adam Byatt emphasizes simplicity, precision, and the science behind each step, avoiding unnecessary gadgets. He often breaks down traditional recipes into clear, repeatable processes, unlike many channels that rely on elaborate presentations.

channel

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