Low Calorie, Low Carb, Low Sodium Bread Substitute with Crunch! A Broghie is a crunchy, bread-plate sized, round, disc-shaped, bowl-shaped bread substitute with no fat, low carbs, no preservatives, no artificial flavours or artificial colours, no sugar, and only 20 calorie food that is suitable for many diets. Broghies popped grains are extremely versatile.