01 - Preheat oven to 350°F. Grease a 9x13-inch baking pan thoroughly.
02 - Combine strawberry cake mix, eggs, oil, and water in a large bowl. Beat until completely smooth and well incorporated.
03 - Pour cake batter evenly into the prepared baking pan, spreading to corners.
04 - Sprinkle chopped strawberries, shredded coconut, and white chocolate chips evenly over the surface of the batter.
05 - Beat cream cheese and butter together until smooth. Gradually add powdered sugar, continuing to beat until creamy and fully combined.
06 - Drop large spoonfuls of the cream cheese mixture randomly over the top of the cake batter and toppings.
07 - Using a knife, gently swirl the cream cheese mixture into the batter to create a marbled appearance. Take care not to overmix.
08 - Bake for 45 minutes until edges are set and center is just slightly wobbly.
09 - Allow cake to cool for at least 30 minutes before serving. Can be served warm or at room temperature.