Better then Sex cake

1 Yellow cake mix- prepared as box directed and baked
1 vanilla cook to serve pudding
1 pint of thawed sugared sliced strawberry tub
corn starch
cool whip
fresh strawberries

1. slice cooled cake into 2 layers
2. cook strawberries and thicken with cornstarch
3. place a thick layer of strawberries on first layer and place layer on top. 
4. refridgerate for 1 hour 
5. prepare pudding as per instructions- let cool to thicken some
6. place a thick layer of warm pudding on cake and put top of cake on 
7. let the cake rest for 30 minutes in fridge
8. frost cake with coolwhip and decorate with frsh berries
9. let the cake rest for 2 hours before serving