Roast rib of beef with mustard-seed crust recipe | delicious. magazine

Ingredients

• 2-bone rib of beef (about 3kg), chined but not trimmed (ask your butcher)
• 1 large onion, sliced thickly
• 2 celery sticks, sliced
• 3 large carrots, sliced thickly
• Sunflower oil for rubbing
• 1 tbsp Dijon mustard
• 2 tbsp plain flour
• 2 tsp English mustard powder
• 1 tsp freshly ground black pepper
• 1 tsp each black and yellow mustard seeds, crushed in a pestle and mortar
• ½ tsp salt
• For the yorkshire puddings
• 225g plain flour
• 4 medium free-range eggs
• 300ml whole milk
• Beef dripping or lard, if necessary
• For the gravy
• 25g plain flour
• 500-600ml good-quality beef stock
• 100ml red wine
• 50ml ruby port