Barley Beef-Stuffed Peppers with Avocado Cream

Ingredients

• 1/2 cup Parmesan cheese
• 1 cup shredded mozzarella cheese
• 1/4 cup sour cream
• 1 tablespoon 2% reduced-fat milk
• 1/3 cup uncooked or 1 cup cooked pearled barley
• 1/2 pound lean ground beef
• 6 ounces (2 cups) button mushrooms chopped
• Salt and freshly ground black pepper to taste
• 1/2 cup chopped parsley
• 3 large multicolored bell peppers cut in half and de-seeded
• 1 small avocado pitted and peeled
• Juice of 1 small lime
• Pinch of salt and freshly ground black pepper