Method

1. For filling, combine cream cheese with milk and whisk to a thin consistency. Set aside.
2. In a separate bowl, place half of the water and 3 lb Krusteaz Professional Yellow Cake Mix and blend on medium speed 3 minutes.
3. Change to low speed; mix 1 minute while gradually adding remaining water. Scrape bowl and paddle thoroughly.
4. Pour cake batter into greased or paper-lined full sheet pan. Swirl in berry preserves and mixed berries. Set aside.
5. For crumble topping, combine remaining 2 lb cake mix with butter.
6. Evenly sprinkle the crumble topping over the cake batter.
7. For convection oven, bake at 300°F 30 minutes; for standard oven, bake at 350°F 30 minutes.