01 -
Preheat the oven to 350°F (175°C). Grease a 9x13-inch baking pan. In a large mixing bowl, combine the vanilla cake mix, eggs, sour cream, vegetable oil, and vanilla extract. Mix until smooth.
02 -
In a separate small bowl, combine ground cinnamon and brown sugar. Pour half of the cake batter into the prepared pan. Sprinkle the cinnamon-sugar mixture evenly over the batter. Add a layer of diced strawberries. Top with the remaining cake batter and spread evenly.
03 -
Bake in the preheated oven for 40-45 minutes, or until a toothpick inserted into the center comes out clean. Allow the cake to cool completely before adding the icing.
04 -
In a medium bowl, whisk together the powdered sugar, milk, strawberry puree, and vanilla extract until smooth. Adjust the consistency with more milk or powdered sugar if necessary.
05 -
Once the cake is cooled, pour the strawberry cream icing evenly over the top. Use a spatula to spread the icing if needed.
06 -
Slice the cake and serve immediately or store in an airtight container for later enjoyment.