Shepherd's Pie with Cauliflower Mash

Savory ground lamb and vegetables in a thick, herby gravy under a golden, cheese-topped cauliflower mash — the cozy classic without the potatoes.

  • Net carbs7.7 g
  • Prep25 min
  • Cook50 min
  • Serves6
✓ Gluten-free✓ Nut-free
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Nutrition per serving

1 generous scoop (about 1½ cups)
Net carbs
7.7g
Calories
602kcal
Protein
33g
Fat
48g
Total carbs
11 g
Fiber
3.2 g
73% fat 22% protein

Calculated from USDA FoodData Central values for each ingredient (optional ingredients excluded). Brands vary — check your labels if you track closely.

A low-carb swap for: potatoes (33 g net per 1 medium baked potato) , shepherd's pie (30 g net per 1 serving (about 1¼ cups)) . This recipe has 7.7 g per serving.

Ingredients

6 servings
Version

Estimated cost $27.95 for 6 servings ($4.66 each) · how we estimate

Instructions

  1. Heat the oven to 400°F (200°C). Steam the cauliflower florets over boiling water for 12–15 minutes, until a knife slides through with no resistance.

  2. Meanwhile, brown the lamb in a large skillet over medium-high heat, breaking it up, for 8–10 minutes, until no pink remains and it reaches 160°F (71°C). Spoon off all but 1 tablespoon of the fat.

  3. Add the onion, carrot, celery and mushrooms and cook 6–7 minutes, until soft and the mushroom liquid has evaporated. Stir in the garlic and tomato paste and cook 1 minute.

  4. Add the Worcestershire, broth, thyme, rosemary, salt and pepper. Simmer 8–10 minutes, stirring occasionally, until the liquid has reduced to a thick gravy that clings to the meat. Spread into a 2½–3-quart (2.5–3 L) baking dish.

  5. Drain the cauliflower well and let it steam-dry in the colander for 3 minutes. Purée in a food processor with the butter, cream cheese and salt until smooth, then pulse in the egg yolk.

  6. Spread the mash over the filling right to the edges of the dish to seal it in, rough up the surface with a fork and sprinkle with cheddar.

  7. Bake 20–25 minutes, until the filling bubbles at the edges and the top is golden; broil 1–2 minutes for extra color. Let rest 10 minutes before serving, topped with chives.

Tips for success

  • Water is the enemy of a good topping. Steam-dry the cauliflower (or squeeze it in a clean towel) so the mash holds its ridges instead of weeping into the filling.
  • Swap the lamb for ground beef and you have cottage pie — the method and timing stay the same.
  • The egg yolk helps the mash brown and set like piped potato. For a simple side-dish version, see creamy cauliflower mash.

Nice to have, not needed

  • A food processor gives the smoothest, most potato-like topping — a potato masher makes a rustic one.
  • Piping the mash with a large star tip looks showy — fork ridges brown just as well.

Storage & meal prepMeal-prep friendly

  • Keeps 4 days in the fridge
  • Freezes up to 3 months

Reheat: Reheat portions covered at 350°F (175°C) for 20–25 minutes, or microwave 2–3 minutes, until hot in the center.

Prep tip: Assemble in foil pans and freeze unbaked; bake from frozen at 375°F (190°C) for about 1 hour, covered for the first half, until hot in the center.

Refrigerate covered up to 4 days, or freeze (baked or unbaked) up to 3 months. Reheat at 350°F (175°C) until hot in the center.

Variations

2 variations, each with its own ingredients and macros

Cottage pie (beef)

Protein

Made with ground beef instead of lamb, this is the cottage pie many families grew up on — milder, and easy to find at any grocery store.

  • ground lamb → ground beef (80/20)

7.7 g net · 559 kcal · 34 g protein · 43 g fat · ≈$3.95 per serving (same net carbs as the original)

Dairy-free

Diet

The mash is whipped with olive oil and an extra egg yolk instead of butter and cream cheese, and the cheddar is left off. It still browns beautifully.

  • butter → extra-virgin olive oil
  • + 1 large extra egg yolk
  • no cream cheese
  • no shredded sharp cheddar

7.1 g net · 557 kcal · 31 g protein · 44 g fat · ≈$4.56 per serving (−0.6 g net carbs vs the original)

Shepherd's Pie with Cauliflower Mash — pin image

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