To crush the panko bread crumbs, place them in a zipper-lock bag and smash them with a rolling pin. If you can't find panko, 1/4 cup of plain, unseasoned bread crumbs can be substituted. Orange liqueur can be substituted for the peach schnapps. If using peak-of-season, farm-fresh peaches, omit the peach schnapps.**I have made this, it was very good and moist cake. I made two at one time, you can see I had to use two different pan sizes. I used the Orange liqueur because the store was out of Peach schnapps. I made to buy Peach schnapps for my pantry so I have it for next time I make this.