In a counter top mixer( or a larger mixing bowl) whip the softened butter,oil,sugars,vanilla,eggs,until light and fluffy,no lumps. Add all of the dry ingredients and mix well. Don't over mix as you'll break up the cereal.
Pre-heat your oven to 350 degrees. Drop the cookie batter using a tablespoon or I use a small ice cream scoop on to your cookie sheets.Press them down to shape or form into even sizes,then bake for 15/18 minutes.They should be slightly golden brown,remove from oven and let cookie cool on the cookie sheets for about 10/15minutes,then move to wire racks for finished cooling ,If you can bear to keep them out of your mouth!! Enjoy!