Puree strawberries lightly in a blender.
Blend cake mix, water, oil, eggs and jello mix until ingredients are moistened.
Beat at medium speed for two minutes.
Stir in pureed strawberries.
Pour into a prepared 9x13 pan.
Bake at 350 degrees for about 30 minutes, testing for doneness with toothpick.
Cool completely.
Frost with your favorite buttercream vanilla or cream cheese frosting.
Garnish with more fresh strawberries.