1Heat oven to 350°F (or 325°F for dark or nonstick pan). Spray bottom and sides of 13x9-inch pan with baking spray with flour.
2 In large bowl, beat cake mix,Jello, flour, 1 cup yogurt, the milk, oil, ginger, nutmeg and eggs with electric mixer on low speed 30 seconds. Beat on medium speed 2 minutes, scraping bowl occasionally. Pour into pan.
3 Bake 30 to 35 minutes or until toothpick inserted in center comes out clean. Cool completely, about 1 hour.
4 In small bowl, mix whipped topping and 1 cup yogurt until blended. Serve cake with peaches and topping mixture. Store loosely covered in refrigerator.