Serves 6
Ingredients:
For the beef:
- 1.2 kg beef sirloin
- 1 Tbsp chinese 7 spice
- 2 tsp caster sugar
- 1 tsp salt½ tsp freshly ground black pepper
For the potatoes:
- 300 ml cream
- 300 ml milk
- 4 garlic cloves, finely sliced
- 1 jar Staffords Creamed Horseradish (145g)
- 2 shallots, finely chopped
- 1.5 kg potatoes
- 1 tbsp salt
- 1 tbsp pepper
- 120g parmesan cheese
- 1 tbsp softened butter
Method:
- Preheat oven to 220˚C.
For the beef: - Place all the seasonings into a bowl and mix well. Score the roast and rub generously with the spice mix. Allow to rest at room temp for one hour. Place on a rack on a baking tray and roast for 20 minutes at 220˚C and then another 30 minutes at 180˚C for medium rare. Allow to rest before slicing.
For the potatoes: - Peel and thinly slice the potatoes, store in a bowl of cold water so potatoes do not brown and release some starch. In a saucepan combine the cream, milk, garlic, horseradish and shallots. Bring to a low simmer and cook gently until slightly thickened. Remove from heat allow to cool slightly before blending the liquid in a blender until smooth.
- Butter the bottom and sides of an oven safe baking dish. Begin to layer the potatoes in an overlapping circular pattern. Every 2-3 layers season with salt and pepper and pour in a small amount of the liquid. Once all the potatoes have been placed top with grated parmesan cheese.
- Bake the gratin for one hour at 180˚C. Cover the gratin with tin foil for the first 45 min then uncover and continue cooking for 30 minutes or until golden brown and the potatoes are tender.
- Top with fresh thyme and serve alongside the sliced beef.