Slow Cooker Balsamic Chicken

Ingredients (15)

• 8-10 boneless
• 1-2 tablespoons extra virgin olive oil
• 1 16 ounce package frozen white pearl onions
• 8 ounces white button mushrooms
• 5 garlic cloves
• 2 stems fresh rosemary
• 1 bay leaf
• ¾ cup balsamic vinegar
• 1 cup chicken stock
• 3 tablespoons tomato paste
• ¼ cup brown sugar
• kosher salt and freshly ground black pepper
• 1 tablespoon butter
• ½ cup pomegranate seeds
• ¼ cup flat leaf parsley leaves