Rib Roast, Mushrooms, Greens, Balsamic Pan Jus | Chef's Complements

Ingredients

• 2 teaspoon salt
• 1 teaspoon black pepper
• 1.8kg boneless rib roast
• 8 cloves garlic, peels removed
• 2 sprigs rosemary
• 1 tablespoon thyme
• 1 stick butter
• 2 tablespoons parsley
• 60ml balsamic vinegar
• 250ml beef stock
• 1 tablespoon butter
• 250g mushrooms (shitake, baby bella, oyster)
• 3 cups swiss chard, rinsed and torn into 5cm pieces