No-cholesterol Apple Cake

• 20 nonstick spray coating
• 3 egg whites
• 1/2 oat bran
• 290 gr unpeeled apples (shredded)
• 130 gr sugar
• 85 gr all purpose flour
• 85 gr wheat flour (whole)
• 75 gr brown sugar
• 60 ml vegetable oil
• 7 gr baking soda