Servings 6Ready In: 1.5 HoursPrep Time: 20 Minutes 4 Cups winter vegetables (such as carrots, butternut squash, sweet potatoes)  1 medium onion, cut into 1/2-inch pieces 2 tbsp. olive oil 1 1/2 Ibs beef sirloin, cut into 1-inch cubes 3/4 Cup chicken broth 5 Bay Leaves...