01 -
Preheat oven to 175°C. Grease a 23x33-centimeter baking pan evenly.
02 -
Prepare the strawberry cake mix according to package directions. Pour prepared batter into the greased baking pan.
03 -
Combine softened cream cheese, powdered sugar, and vanilla extract in a bowl. Beat until smooth and creamy. Drop spoonfuls over cake batter, then gently swirl with a knife to achieve a marbled effect.
04 -
Bake on the center rack for 30–35 minutes, or until a toothpick inserted in the center emerges clean. Allow the cake to cool completely in the pan.
05 -
In a small saucepan over medium heat, combine mashed strawberries, sugar, and lemon juice. Stir occasionally until mixture begins to simmer. Add cornstarch-water mixture; cook, stirring, until slightly thickened. Remove from heat and cool to room temperature.
06 -
Pour cooled strawberry glaze over completely cooled cake. Top with fresh strawberry slices and drizzle with melted white chocolate before serving.