BBC Food - Recipes - How to cook roast beef with Yorkshire puddings

Ingredients

• 2.5kg/5½lb rib eye of beef , on the bone
• 1 tbsp English mustard powder
• 2 tbsp duck fat or a drizzle of vegetable oil
• salt and freshly ground black pepper
• 250g/9oz plain flour
• 3 large or 4 medium free-range eggs
• 300ml/½ pint milk
• pinch salt
• vegetable oil or beef dripping, melted
• 12 medium Maris Piper or King Edward potatoes
• 4 tbsp duck fat
• 6 garlic cloves
• 6 sprigs fresh thyme
• sea salt
• pan-roasting juices
• 1 tbsp flour
• 250ml/9fl oz red wine