My problem with metric recipes

My problem with metric recipes is a medium British recipe that serves 4. 450 calories per serving. Recipe by Adam Ragusea on YouTube.

Prep: 20 min | Cook: 58 min | Total: 1 hr 33 min

Cost: $10.87 total, $2.72 per serving

Ingredients

  • 1 pound Ground Lamb (80% lean, fresh)
  • 300 milliliters Chicken Stock (low‑sodium)
  • 3 cups Milk (whole milk)
  • 2 pounds Potatoes (Russet or Yukon Gold, peeled and cubed)
  • 4 tablespoons Unsalted Butter (softened)
  • 1 medium Onion (diced)
  • 2 medium Carrots (diced)
  • 1 cup Frozen Peas (optional, thawed)
  • 2 tablespoons All‑Purpose Flour (for thickening the gravy)
  • 1 teaspoon Salt (to taste)
  • 0.5 teaspoon Black Pepper (freshly ground)

Instructions

  1. Prepare Vegetables & Measure

    Dice the onion and carrots, measure out peas, flour, stock, milk, butter, and seasonings. Set a large skillet and a saucepan on the stove.

    Time: PT15M

  2. Boil Potatoes

    Place cubed potatoes in a saucepan, cover with cold water, add a pinch of salt, and bring to a boil. Cook until fork‑tender.

    Time: PT20M

    Temperature: 212°F

  3. Brown the Lamb

    Heat the skillet over medium‑high heat, add the ground lamb, and break it up. Cook until browned, about 8 minutes, draining excess fat if desired.

    Time: PT8M

  4. Make the Gravy

    Stir in the flour and cook for 2 minutes to form a roux. Gradually whisk in the chicken stock, then add the diced onion, carrots, and peas. Simmer until thickened, about 10 minutes.

    Time: PT10M

  5. Mash the Potatoes

    Return drained potatoes to the pot, add butter and milk, and mash until smooth and creamy. Season with salt and pepper.

    Time: PT5M

  6. Assemble the Pie

    Spread the lamb gravy evenly in the baking dish. Top with the mashed potatoes, smoothing with a fork to create peaks for browning.

    Time: PT5M

  7. Bake

    Preheat the oven to 350°F. Bake the assembled pie until the top is golden and the filling is bubbling, about 15 minutes.

    Time: PT15M

    Temperature: 350°F

  8. Rest & Serve

    Allow the shepherd's pie to rest for 5 minutes before cutting. Serve warm.

    Time: PT5M

Nutrition Facts

Calories
450
Protein
25 g
Carbohydrates
35 g
Fat
20 g
Fiber
4 g

Dietary info: Contains Meat, Contains Gluten, Contains Dairy

Allergens: Dairy, Gluten

Last updated: April 12, 2026

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My problem with metric recipes

Recipe by Adam Ragusea

A comforting British‑style shepherd's pie adapted for U.S. home cooks using common grocery‑store quantities. Ground lamb, a simple gravy, and a buttery mashed‑potato topping are baked to golden perfection at 350°F.

MediumBritishServes 4

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

Source Video
30m
Prep
53m
Cook
10m
Cleanup
1h 33m
Total

Cost Breakdown

$10.87
Total cost
$2.72
Per serving

Critical Success Points

  • Browning the ground lamb fully for flavor
  • Creating a smooth, lump‑free gravy with flour and stock
  • Baking until the potato topping is golden and the filling is bubbling

Safety Warnings

  • Handle boiling water and hot potatoes with care to avoid burns.
  • Use oven mitts when removing the hot baking dish from the oven.
  • Ensure the skillet is not overcrowded to prevent splattering hot fat.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Shepherd's Pie in British cuisine?

A

Shepherd's Pie originated in 18th‑century Britain as a way to use leftover roasted meat, topping it with mashed potatoes for a hearty, economical dish. It became a staple comfort food, especially in working‑class households, and is now a beloved classic across the UK.

cultural
Q

What are the traditional regional variations of Shepherd's Pie in the United Kingdom?

A

In Scotland, a similar dish called "Cottage Pie" uses beef instead of lamb. Some regions add carrots, peas, or turnips, while others incorporate cheese on the potato topping. The northern English often use a richer gravy made with stout beer.

cultural
Q

How is Shepherd's Pie traditionally served in British households?

A

It is typically served hot straight from the oven, often with a side of steamed greens such as broccoli or peas. A simple green salad or crusty bread may accompany it, and leftovers are reheated for lunch the next day.

cultural
Q

What occasions or celebrations is Shepherd's Pie traditionally associated with in British culture?

A

Shepherd's Pie is a go‑to dish for family gatherings, Sunday roasts, and casual pot‑luck meals. It is also popular during colder months and is often featured at holiday tables as a comforting, filling main course.

cultural
Q

What makes Shepherd's Pie special or unique in British cuisine?

A

The dish uniquely combines a savory meat gravy with a fluffy mashed‑potato crust, creating a textural contrast that is both comforting and satisfying. Its flexibility with ingredients reflects the British tradition of resourceful, home‑cooked meals.

cultural
Q

What are the most common mistakes to avoid when making Shepherd's Pie?

A

Common errors include under‑browning the lamb (which reduces flavor), using too much stock that makes the filling runny, and over‑mixing the mashed potatoes, which can make them gluey. Also, baking at too low a temperature can prevent the topping from crisping.

technical
Q

Why does this Shepherd's Pie recipe use 300 ml of chicken stock instead of water?

A

Chicken stock adds depth of flavor and richness to the gravy, whereas water would produce a bland filling. The measured 300 ml keeps the consistency balanced with the amount of meat and vegetables.

technical
Q

Can I make Shepherd's Pie ahead of time and how should I store it?

A

Yes. Assemble the pie up to the baking step, cover tightly, and refrigerate for up to 24 hours. For longer storage, freeze the unbaked pie; bake directly from frozen, adding 10‑15 minutes to the bake time.

technical
Q

What texture and appearance should I look for when the Shepherd's Pie is done?

A

The mashed‑potato topping should be golden‑brown with slightly crisp peaks, and the filling should be bubbling around the edges. A gentle steam should rise when you cut into it, indicating a hot, fully cooked interior.

technical
Q

What does the YouTube channel Adam Ragusea specialize in?

A

The YouTube channel Adam Ragusea focuses on food science, practical cooking techniques, and thoughtful recipe development, often exploring the why behind cooking methods and ingredient choices.

channel
Q

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

A

Adam Ragusea emphasizes measurement‑system awareness, culinary reasoning, and clear explanations of how small changes affect outcomes, whereas many channels simply present recipes without discussing the underlying science or cultural context.

channel

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