The Best beef cheeks ever

Ingredients

• 1 KG of trimmed beef cheeks
• 3 carrots peeled and roughly chopped
• 4 stalks of celery roughly chopped
• 5 spring onions chopped
• 4 cloves garlic crushed
• 3 sprigs of thyme
• 4 sprigs of rosemary
• 2 cups red wine
• 1 litre of beef stock
• 2 dried bay leaves
• 6 tablespoons butter