01 -
Preheat oven to 350°F (175°C). Prepare the cake mix as directed on the box.
02 -
Gently fold in the chopped strawberries, white chocolate chips, shredded coconut, and optional pecans or walnuts.
03 -
Pour half of the cake batter into a greased 9x13 inch baking pan.
04 -
In a mixing bowl, beat cream cheese and butter until smooth. Add powdered sugar and vanilla extract, and mix until creamy and well combined.
05 -
Drop spoonfuls of the cream cheese mixture evenly over the cake batter in the pan.
06 -
Pour the remaining cake batter over the cream cheese dollops. Use a knife to gently swirl the cream cheese into the batter for a marbled effect.
07 -
Bake for 40-45 minutes or until a toothpick inserted in the center comes out clean.
08 -
Let the cake cool completely before slicing and serving.