2Sift together the salt, sugar, flour, and baking powder in a large bowl. In a separate bowl, combine the bran cereal and soy milk; allow to rest for 5 minutes before whisking in the olive oil and egg whites. Fold the dry ingredients into the wet. Spoon batter into muffin cups.
3Bake in preheated oven until lightly browned, about 20 minutes.