Beef rib roast with marjoram and horseradish butter recipe | Australian Beef - Recipes, Cooking Tips

Ingredients

• 1.5kg (approximately 4 ribs) standing beef rib roast
• 125g butter, at room temperature
• 2 cloves garlic, crushed
• 1 tbsp horseradish
• 1 tbsp Dijon mustard
• 1 bunch marjoram, leaves picked
• 2 red onions, quartered
• 2 bunches baby carrots, trimmed and scrubbed
• 6 (375g) large Portobello or field mushrooms
• Mixed salad leaves, to serve