Berry Layer Cake

Directions

1. 1
   Have a serving platter with at least a 10 x 8 inch surface ready.
2. 2
   Puree raspberries and blueberries in a food processor.
3. 3
   Transfer to a large bowl; fold in 5 cups whipped topping; remove and reserve 2 cups.
4. 4
   Place 1 graham cracker flat on work surface.
5. 5
   Spread with 1/4 cup berry cream.
6. 6
   Repeat, stacking layers until you have 5 layers.
7. 7
   Place stack on its side on serving platter so crackers are horizontally upright.
8. 8
   Add 10 more layers, sandwiching remaining berry cream and crackers, ending with a cracker.
9. 9
   Coat cake with reserved 2 cups berry cream, then carefully cover sides and top with remaining plain topping.
10. 10
    Garnish top with alternating diagonal rows of berries, beginning and ending with raspberries.
11. 11
    Refrigerate at least 3 hours.
12. 12
    Starting at 1 corner, cut cake diagonally for layered effect in 3/4 inch thick slices.
13. 13
    Cut 4 largest slices in half.