Preheat the oven and prepare cake pans.
Mix dry ingredients in a bowl.
Combine wet ingredients in another bowl.
Combine wet and dry ingredients.
Fold in crushed peppermint candies.
Pour batter into prepared pans and bake.
Cool the cakes in the pans, then remove.
Prepare the frosting while cakes cool.
Frost the first layer of the cake.
Stack the second layer and frost the top and sides.
Decorate the cake with more crushed candies.
Slice, serve, and enjoy your peppermint mocha cake.