01 -
Preheat oven to 350°F (175°C). Grease a 9×13-inch baking pan. Pour melted butter into bottom of the pan and sprinkle evenly with brown sugar. Spread cherry pie filling evenly over the brown sugar layer.
02 -
In a large bowl, combine chocolate cake mix, eggs, vegetable oil, water, and vanilla extract. Mix thoroughly until batter is smooth and fully combined.
03 -
Carefully pour the batter over the cherry topping in the prepared pan, spreading evenly.
04 -
Place pan in preheated oven and bake for 35 to 40 minutes, until a toothpick inserted into the center comes out clean.
05 -
Remove from oven and let cool for 10 minutes. Place a large serving platter over the pan and carefully invert the cake onto the platter. Serve warm or at room temperature.