f for 20-25 minutes, until batter turns golden brown and becomes a coffee cake consistency.
let coffee cake cool and break it up into small pieces and spread out over your baking sheets you used. you decide the size of pieces you like. anything works here.
place both bar pans back in the oven with crumbled coffee cake pieces spread out as evenly as you can get them. bake at 200 degrees f for 2-3 hours, stirring occasionally to bring the pieces on the bottom to the top for even drying. remove from the oven when the pieces are starting to feel crunchy. you don't want to bake too long here and 