Preheat the oven to 350 degrees and spray the baking pans with pam baking spray
Using a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder and salt until combined
Using another large bowl, whisk together the cherry coke, canola oil and sour cream until combined and smooth
Whisk in the eggs, vanilla extract and maraschino cherry juice
Gradually pour in the wet ingredients into the dry and whisk until combined
Divide the batter into the 3 cake pans
Bake in the oven for 25-30 minutes or until a toothpick comes out clean
Allow to cool completely
Remove the cake layers and place onto the cake boards
Using the cake leveler, remove the domes of the cakes