To prepare a chocolate strawberry crunch icebox cake recipe, first you need to prepare the cake batter. First, you'll need the following ingredients: 1 cup (240 g) chocolate cake mix 2 cups (120 ml) granulated sugar 2 teaspoons vanilla extract Instructions: Preheat the oven to 375 ?F (190?C) and grease and flour an 8x8x2-inch cake pan. Add the dry ingredients to the wet ingredients and stir to combine. Pour the batter into the prepared pan and bake for 35 to 40 minutes, or until the toothpick inserted in the center comes out clean. Let cool for 10 minutes before removing from the pan, then cut into squares and serve.