Mix Raisin Bran, All purpose and whole wheat flour and also the wheat germ together in a large bowl, set aside.
Beat eggs,add Buttermilk, salt, soda, baking powder, applesauce and the Splenda. Mix well and then pour over the cereal flour mixture, and be sure to mix it throughly.
Fill mini muffin pans with liners or you can just spray the pans with a cooking spray and fill with the mixture about 3/4 full. Bake in preheated 400 degree oven for about 15 minutes. You may have to watch and test with toothpick to see if it comes out clean. cool on rack and place in covered container.
You can bake them right away or you can keep the dough in refrigerator for several days and just bake as many as you wish.