Traditional roast beef with yorkshire pudding - 9Kitchen

Ingredients

• 1 tablespoon mustard powder
• 1 tablespoon plain flour
• 1 tablespoon salt
• standing beef rib roast, 6 point
• 1 onion, halved
• freshly ground black pepper
• 125g plain flour
• ½ teaspoon salt
• 2 whole eggs plus 1 egg yolk
• 150ml milk
• 150ml water
• 2 tablespoons vegetable oil
• 1 large onion, sliced
• ½ tablespoon olive oil
• 1 litre beef stock
• 250ml red wine