Looking for an oat based flapjack to meet your calorie needs? Then Energy Cake is for you - a whopping 125g flapjack that is high in fibre and packed with 68g of carbohydrate in the form of oats. It is the perfect choice for anyone looking to add some additional calories into their diet, or are out on a long ride, run or hike! Looking for an oat based flapjack to meet your calorie needs? Then Energy Cake is for you - a whopping 125g flapjack that is high in fibre and packed with 68g of carbohydrate in the form of oats. It is the perfect choice for anyone looking to add some additional calories into their diet, or are out on a long ride, run or hike! 125g oat based flapjack. 68g of carbohydrate. Available in a delicious range of flavours. Ideal for endurance exercise or long days walking/hiking Energy Cake flapjack bars are the perfect supply of carbohydrate. They contain 545 calories per bar and are packed with pure oats. Grab one today and fuel your workout!