Lemon Garlic Roast Chicken

A whole chicken rubbed under the skin with lemon-garlic herb butter, then roasted until the skin is golden and crackling and the meat is juicy.

  • Net carbs1.5 g
  • Prep15 min
  • Cook1 hr 15 min
  • Serves4
✓ Gluten-free✓ Egg-free✓ Nut-free
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Nutrition per serving

¼ chicken
Net carbs
1.5g
Calories
621kcal
Protein
47g
Fat
46g
Total carbs
2 g
Fiber
0.4 g
68% fat 31% protein

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

Ingredients

4 servings
Version

Estimated cost $9.14 for 4 servings ($2.29 each) · how we estimate

Instructions

  1. At least 1 hour and up to 24 hours ahead, pat the chicken very dry inside and out. Season all over with the salt and pepper and refrigerate uncovered on a plate. The dry surface is what makes the skin crackle.

  2. Heat the oven to 425°F (220°C). Mash the softened butter with the minced garlic, the lemon zest, thyme and rosemary.

  3. Gently loosen the skin over the breast and thighs with your fingers. Push about two-thirds of the butter under the skin and smear the rest over the outside. Tuck the lemon halves and halved garlic head into the cavity, tie the legs together and tuck the wing tips under.

  4. Set the chicken breast-side up in a cast-iron skillet or small roasting pan. Roast 60–75 minutes (about 15 minutes per lb), basting once with the pan juices after 40 minutes. It’s done when the skin is deep golden, the juices run clear and the thickest part of the thigh, not touching bone, reads 165°F (74°C).

  5. Rest 15 minutes, loosely tented with foil, so the juices settle back into the meat.

  6. Carve, squeeze the roasted lemon over the meat and spoon over the pan juices. Use the drippings to make keto pan gravy if you like.

Tips for success

  • Short on time? Spatchcock the bird by cutting out the backbone and pressing it flat. It roasts in 40–45 minutes at the same temperature.
  • Surround the chicken with halved radishes for the last 40 minutes. They soak up the drippings and turn sweet and tender, like our roasted radishes.
  • Use leftovers for chicken salad lettuce wraps or chicken zoodle soup, and simmer the carcass for broth.

Nice to have, not needed

  • An instant-read thermometer is the surest way to know the bird is done; without one, pierce the thigh — the juices should run clear, not pink.
  • Kitchen twine keeps the legs neat — skip it and the bird cooks just as well.

Storage & meal prepMeal-prep friendly

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

Reheat: Warm covered at 325°F (165°C) with a spoonful of pan juices for 10–15 minutes, or eat cold in salads and wraps.

Prep tip: Pull the meat off the bones while it’s still warm — it’s much easier — and freeze the carcass for broth.

Refrigerate carved meat up to 4 days or freeze up to 3 months.

Variations

3 variations, each with its own ingredients and macros

Dairy-free

Diet

A lemon, garlic and herb olive oil paste goes under the skin instead of butter. The skin still roasts up golden and crisp.

  • butter → extra-virgin olive oil

1.5 g net · 634 kcal · 47 g protein · 48 g fat · ≈$2.39 per serving (same net carbs as the original)

Peruvian-style with green sauce

Flavor

Inspired by pollo a la brasa: a cumin, paprika, lime and garlic rub, served with a spicy cilantro-jalapeño sauce for dipping.

  • butter → avocado oil
  • + 2 tsp ground cumin
  • + 2 tsp paprika
  • + 1 tsp dried oregano
  • + 2 tbsp lime juice
  • + 1 tbsp tamari or soy sauce
  • + ¼ cup mayonnaise
  • + 1 cup cilantro
  • + 1 jalapeño
  • + 1 tbsp lime juice
  • no lemon
  • no fresh thyme leaves
  • no fresh rosemary

3 g net · 713 kcal · 48 g protein · 55 g fat · ≈$2.65 per serving (+1.5 g net carbs vs the original)

One-pan with radishes & fennel

Veggies

Radishes and fennel roast under the bird in its drippings, so the side dish cooks itself. The radishes turn mellow and potato-like.

  • + 12 oz radishes
  • + 1 medium fennel bulb
  • + 1 tbsp olive oil

5.5 g net · 682 kcal · 48 g protein · 50 g fat · ≈$3.08 per serving (+4 g net carbs vs the original)

Lemon Garlic Roast Chicken — pin image

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