For the Cake Base:
1 box white cake mix (15.25 oz)
3 large eggs
1/2 cup vegetable oil
3/4 cup water (slightly less than package directions)
2 cups fresh strawberries, hulled and quartered (or frozen strawberries, partially thawed and drained)
1/2 teaspoon strawberry extract (optional, for enhanced flavor)
For the Cream Cheese Layer:
8 oz cream cheese, softened to room temperature
1/2 cup (1 stick) unsalted butter, softened
2 cups powdered sugar
1 teaspoon vanilla extract
Pinch of salt
For Extra Strawberry Goodness:
1/3 cup strawberry preserves or jam
1/2 cup white chocolate chips (optional)
1/4 cup graham cracker crumbs (optional, for texture)