Preheat oven to 200 degrees C. Line or grease 12 muffin cups.
Blend together brown sugar, oat bran, flour, baking powder, bicarb soda and salt. Add eggs, chilled apple sauce and vegetable oil. Mix until well-blended. Spoon batter into muffin cups. Let stand 10 minutes.
Bake for 15 minutes or until golden brown.
VARIATIONS: Add 1 cup plumped raisins, with a little bit of raisin water (approximately 2 tablespoons). Or, before baking, sprinkle mixture of sugar and cinnamon over the tops of the muffins. Or, add 1 teaspoon cinnamon or nutmeg to flour mixture.