A berry spinach salad with balsamic vinaigrette is a refreshing and healthy option for a quick meal. Start by combining fresh spinach leaves with a mixture of berries, such as strawberries, blueberries, and raspberries. Toss everything together with a simple balsamic vinaigrette made from olive oil, balsamic vinegar, honey, and Dijon mustard. Top the salad with some toasted nuts or crumbled feta cheese for added texture and flavor. This salad is packed with antioxidants, vitamins, and minerals, making it a nutritious choice for any time of the day.