Steak with Mushrooms sauce and the best ever mashed potato - Australian Mushroom Growers

Ingredients

• 400 g Cup mushrooms
• 2 tbsp Olive oil
• 1 Garlic clove
• 1 tbsp Worcestershire sauce
• 1 cup Beef stock
• 1 tsp Dijon mustard
• 2 tsp Cornflower
• Handful of flat-leaf parsley - chopped
• 4 Steaks - Rib eye or Porterhouse
• 1 kg Choose a creamy yellow type of potato, like Dutch cream or Desiree potatoes
• 200 g Real butter - unsalted. Dice into cubes
• ¾ cup Full Cream Milk or Cream