Roast beef sirloin with smoky tahini

January 11, 2024 (Last Updated: December 18, 2023)
roast beef

This Roast Beef Sirloin with Smoky Tahini is luxuriously roasted and and ideal for impressing guests at a dinner party!

Roast Beef Sirloin with Smoky Tahini

Serves: 8-10
Total Time: 1 hour 45 mintes


  • 3 tsp coriander seeds
  • 2 tsp cumin seeds
  • 2 tsp fennel seeds
  • 1 tbsp smoked paprika
  • 1 tsp harissa spice blend
  • 1 tbsp white sesame seeds
  • ¼ cup olive oil
  • 1.8 kg beef sirloin, trimmed, tied with kitchen string at 4cm intervals
  • 6 zucchini, halved lengthways
  • Smoky tahini
  • ⅓ cup tahini
  • ⅓ cup lemon juice
  • 1 garlic clove, crushed
  • 1 tsp smoked paprika
  • 80 grams feta, drained



PREHEAT the oven to 200°C.


DRY-FRY the coriander, cumin and fennel seeds in a small frying pan over medium heat for 2 minutes or until fragrant. Transfer to a spice grinder or mortar and pestle and grind or pound to a fine powder. 


COMBINE ground seeds with paprika, harissa and sesame seeds in a small bowl.


HEAT 1 tbsp of the oil in a large flameproof roasting dish. 


COOK beef, turning, for 5 minutes until browned all over. Rub half the spice mixture all over the beef; season.


TRANSFER to the oven and roast for 1 hour until medium rare. 


REST meat, covered, for 10 minutes. 

Smoky tahini 


PLACE ingredients in a food processor and blend until smooth. If the mixture is too thick add 1 tbsp of water. Season to taste. 


HEAT a chargrill plate over high heat. 


COMBINE the remaining oil and remaining spice mixture in a large bowl. Add zucchini; toss to coat. 


CHARGRILL zucchini for 5 minutes each side or until well charred and tender. 


THINLY slice the beef and serve with pan juices, chargrilled zucchini and smoky tahini.


Tip from the team:  Serve this dish with some golden roast potatoes, green beans or a delicious mash potato side.

Made this Roast Beef Sirloin? Tag us @foodandhomesa #cookingwithFH on Instagram!

ALSO SEE: Green goddess tahini yogurt

Green goddess tahini yogurt

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