01 -
Preheat oven to 350°F (175°C). Spray an 8x8 baking dish with nonstick spray or line with parchment paper. Set aside.
02 -
In a large mixing bowl, combine the strawberry cake mix, eggs, oil, and vanilla extract. Mix until well blended. Press the mixture into the prepared baking dish. Bake for 18-22 minutes, or until the brownies are just set. Let them cool completely before adding frosting.
03 -
In a small mixing bowl, whisk together powdered sugar, strawberry preserves, cream cheese (if using), and milk until smooth.
04 -
Once the brownies have cooled, spread the frosting evenly over the top.
05 -
Store the brownies in a single layer in an airtight container. If stacking is necessary, separate layers with parchment paper. Refrigerate if frosting is applied; otherwise, store at room temperature.