Strawberry Icebox Cake

strawberry supreme cake mix or yellow cake mix
3 to 4 cups strawberries (save some for garnish)
sugar (to taste)
vanilla pudding
 1 cup milk
cool whip

Make the cake mix by following regular instructions for a 9x13 pan.  Take strawberries clean, hull, cut into chunks, mash and add sugar to taste.  Let sit while cake cools in pan.  Mix pkg. of vanilla pudding and 1 cup of milk.  Stir for 2 minutes.  Fold 1 tub cool-whip into pudding, set in fridge. 
When cake is cool, take wooden spoon handle and poke holes in cake, add strawberries and juice to top of cake.  Then frost with pudding/cool-whip.  Cover and set in fridge for a few hours.
Just before serving garnish with whole strawberries cut into slices.  Keep leftovers in fridge.  Great dessert for a summer BBQ.