Why the sudden interest in oat bran? Oat bran is the fibrous outer layer of the oat grain, which is generally removed when the grain is processed into oatmeal. Now that we know the importance of fiber in a well balanced diet, it is a good practice to put some of that oat bran back into our food. DEAL-A-MEAL CARDS USED: 1 Bread 1 Meat 1 Vegetable 1 Fat 198 Calories