Preheat the oven to 350°F. Spray a 9x13-inch baking pan with baking spray. Set aside.
Evenly scatter coconut and pecans over the bottom of the pan.
1 cup shredded sweetened coconut, 1 cup chopped pecans
Beat cake mix, water, oil, and eggs in a large bowl for 2 minutes on medium speed until combined. Pour over the coconut and pecans.
1 (15.25-ounce) red velvet cake mix, 1 cup water, 1/2 cup vegetable oil, 3 large eggs
Combine cream cheese, melted butter, powdered sugar, vanilla, and salt in a bowl. Mix until creamy and smooth.
8 ounces full-fat cream cheese, 3 cups (360g) powdered sugar, 1 teaspoon pure vanilla extract, 1/4 teaspoon salt
Drop spoonfuls of cream cheese mixture evenly over top of cake batter. Sprinkle cake with half of the semisweet and white chocolate chips.
1 cup semisweet chocolate chips, 1 cup white chocolate chips
Bake for 40-45 minutes until a toothpick inserted into the cake comes out clean with just a few crumbs. Sprinkle with reserved semisweet and white chocolate chips. Cool completely.