Mustard-Glazed Sirloin Roast with Sautéed Greens

Ingredients

• 2 to 2-1/2 pounds beef Coulotte Roast, Sirloin Cap Roast or Picanha
• 1-1/2 pounds rainbow or regular Swiss chard
• 1 tablespoon olive oil
• 1 medium onion, chopped
• 4 cloves garlic, minced
• Salt and pepper
• 1/4 cup apple juice
• 2 tablespoons coarse grain Dijon-style mustard
• 2 tablespoons chopped fresh parsley
• 1/2 teaspoon coarse grind black pepper