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The most straightforward roasting guide to follow is to turn the oven to 200°C (180°C fan) mark 6 and cook the joint for 25min per 450g (1lb) for medium meat. If you think you might have some leftovers to enjoy, I suggest slicing pieces off the roast as you enjoy them to keep the leftovers intact. This way you can slice thin pieces off for leftover roast beef sandwiches!
MAKE THE GRAVY: To make the gravy, heat the butter in the pan that you browned the beef in. Cook the onion, celery and garlic over a medium heat, stirring until softened, around 10 minutes. Stir through the tomato paste and flour, cook for a further two minutes, then pour in the wine. Whisk 1 tbsp cornstarch with 2 tsp water to create a slurry. Whisk the slurry, a little bit at a time, into the simmering gravy until you’ve reached your desired consistency.
Waitrose
MAKE YORKSHIRE PUDDINGS: To make the Yorkshire puddings, whisk together the flour and sea salt in a small bowl or jug. In a separate bowl whisk together the milk, water and egg, then stir the egg mixture into the flour until completely combined. Set aside for at least half an hour. If you like your beef well don e, calculate the cooking time as you would for medium meat, then add an extra 25min on to it. Use a thermometer Store your leftover roast beef in an airtight container or large sealable freezer bag. It’ll last 3-4 days. If you don’t want to overcook your leftovers, you can enjoy the roast beef as a cold cut.
Rare: Roast for 15 minutes at 450°F, then for 1 hour and 25 minutes at 325°F, or an internal temperature of 120F. Long and thin carving knives with straight or slightly scalloped edges are designed to slice meat effortlessly, but they are only worth the investment if you’re using them often.Make sure your roast beef has full cooled down to room temperature before freezing it. I suggest wrapping it well with both plastic wrap and foil to avoid freezer burn. It’ll last 2-3 months frozen.