Meat and Potatoes Burger – Rachael Ray

Ingredients

• 2 large baking potatoes, peeled and cut into chunks
• 1 tablespoon butter
• A splash of whole milk or half and half
• 1 egg
• A couple of tablespoons snipped chives
• Salt and pepper
• 2 pounds lean ground sirloin
• 2 tablespoons Worcestershire sauce, eyeball it
• 1/4 cup flat leaf parsley leaves, a generous handful, finely chopped
• 1 small onion, peeled
• 2 tablespoons EVOO – Extra Virgin Olive Oil
• 4 poppy seed or plain Kaiser rolls
• Dijon mustard
• 1 bunch watercress, cleaned and trimmed of thick stems