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Aussie Barbequed Boneless Leg of Lamb

Aussie Barbequed Boneless Leg of Lamb pairs smoky grill flavor with a tangy, pepper-kissed tomato and onion basting sauce. The lamb stays juicy from a garlicky marinade, while slow grilling builds a glossy, savory crust. Perfect for weekend cookouts or holiday gatherings when you want bold, barbecue-forward lamb with a gentle heat and bright lemon notes.

  • Prep40 mins
  • Cook1 hr 30 mins
  • Serves10
  • DifficultyMedium
Aussie Barbequed Boneless Leg of Lamb
  1. 1

    In a bowl, whisk together 1 cup of vegetable oil, 1/2 cups of vinegar, 2 cloves minced garlic, 1 tablespoon salt, and black pepper, then pour into a resealable plastic bag. Add the trimmed lamb leg, coat it with the marinade, press out excess air, and seal the bag. Marinate at room temperature for 2 hours.

  2. 2

    Meanwhile, combine the water, lemon juice, 3/4 cup of vegetable oil, tomato puree, onion, 2 tablespoons of vinegar, hot sauce, minced chile, 2 cloves minced garlic, mustard powder, and 1 teaspoon of salt in a large saucepan. Bring to a boil over medium-high heat, then reduce to medium-low and simmer for 30 minutes, until the onions are softened and the sauce is thickened.

  3. 3

    Preheat an outdoor grill to medium-low heat, and lightly oil the grate.

  4. 4

    Remove the lamb from the marinade and shake off the excess. Discard the remaining marinade. Cook on the preheated grill for 1 1/2 to 2 hours, turning and basting often with the hot barbeque sauce.