A study conducted at the University of Massachusetts showed that men who skipped their morning meal were 4.5 times more likely to have a belly button than other men. For this reason, if you want to have abdominal muscles, eat breakfast within 1 hour of waking up or drink a protein blend of at least 250 calories. British researchers found that a large breakfast menu was inversely related to waist size. This means that the wider your breakfast menu, the narrower your waistline. But your meal should be of reasonable size. It serves two breakfasts in an egg with 1,480 calories of sausage. Therefore, limit the amount of food you eat to 500 calories. There is a recipe that I love to fill your stomach: Prepare a pack of instant oatmeal and add 1 spoonful of whey powder (whey protein) and half a glass of blueberries.