According to nutritionists, dietitians, doctors and food gurus, breakfast is the most important meal of the day. Why is this? Quite simply, it’s what we need to refuel our bodies with energy after our overnight fast. Without breakfast, we lack the energy necessary to keep us going until lunch. But with today’s hectic lifestyles, too often we end up rushing out of the door with little more to sustain us than a cup of coffee. What sort of food can you grab and eat when you're in a hurry?