Roast sirloin with potato bake

Roast sirloin with potato bake

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  • 8
  • Medium
  • 1 hour
  • 2½ hours

This Mediterranean sirloin roast with sour cream potato bake and celery-and-citrus salsa is worth the extra effort.


  • For the potato bake:
  • 2 x 250 g tubs sour cream
  • 1 cup Woolworths organic vegetable stock
  • 1 lemon, zested
  • 10 g thyme , roughly chopped
  • 4 garlic cloves, minced
  • 3 kg potatoes, peeled and thinly sliced (keep in water to prevent browning)
  • 80 g butter, cubed
  • 2 kg deboned, rolled sirloin steak (ask your butcher to do this)
  • 2 T olive oil
  • sea salt, to taste
  • freshly ground black pepper, to taste
  • 125 g Woolworths roast red pepper pesto
  • For the celery-and-citrus salsa:
  • 2 celery sticks with leaves
  • 1 large shallot or red onion
  • 1 lemon
  • olive oil, a splash
  • salt, to taste

Cooking Instructions

1. Preheat the oven to 200°C. To make the potato bake, mix the sour cream, stock, lemon zest, thyme and garlic. Check the seasoning as the stock may be salty enough.

2. Layer some of the potatoes in a single layer in a 24 x 30 x 6 cm baking tray or ovenproof dish and pour a ladleful of sour cream over the potatoes. Repeat this with the remaining potatoes and sour cream. Dot with butter and bake for 30 minutes.

3. Pat dry the meat using kitchen paper. Heat the olive oil in a large pan and season the meat with salt. Brown the meat on all sides starting with the fat side down. Remove from the pan, rub the pesto all over and set aside.

4. Remove the potato bake from the oven and place the meat on top of the potato bake. Return to the oven and reduce the temperature to 180°C. Roast for a further hour for medium rare and 1½ hours for medium to well. Remove the meat from the oven and rest for 20–30 minutes. Leave the potato bake in the oven to crisp up.

5. While the meat is resting, make the salsa. Cut the celery into medium-sized chunks and place in a bowl. Slice the shallot, juice and segment the lemon and chop the celery leaves. Mix all the ingredients with a splash of olive oil and seasoning. Serve the sliced beef on top of the hot potato bake with the salsa.

Find more roast recipes here. 

Photographs: Myburgh du Plessis
Production: Hannah Lewry
Food Assistants: Claire-Ellen van Rooyen and Ellen Schwrdtfeger

Hannah Lewry Recipe by: Hannah Lewry
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Woolworths TASTE’s Food Editor is passionate about conjuring up fresh ideas for fast and easy dishes that taste as great as they look. Turn to her expertise for everything from time-saving mid-week food to lazy weekend meals. You’ll have a lot of fun in the kitchen while you’re about it.

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