Topsy-Turvy Banana Crunch Cake
- Preheat oven to 350°F Lightly grease 8-inch square baking pan.
- Combine oats, brown sugar, flour and cinnamon in small bowl. Cut in butter with pastry blender or 2 knives until crumbly. Stir in pecans.
- Combine cake mix, sour cream, banana and egg in medium bowl. Beat with electric mixer at low speed about 1 minute or until blended. Increase speed to medium; beat 1 to 2 minutes or until smooth. Spoon half of batter into prepared pan; sprinkle with half of oat topping. Top with remaining battter and topping.
- Bake 25 to 30 minutes or until toothpick inserted into center comes out clean. Cool completely on wire rack.