Preheat oven to 400°.

Mix together oat bran, flour, baking soda, baking powder, cinnamon, and brown sugar in a medium bowl.

Add water, applesauce, and egg. Stir until incorporated and most lumps are gone.

Add a scoop of batter to each lined muffin cup.

Bake 12-15 min or until a toothpick inserted comes out clean.

Serve warm or cool and store in an airtight container.