01 -
1 box (15.25 oz) chocolate cake mix.
02 -
1/3 cup vegetable oil.
03 -
1 teaspoon vanilla.
04 -
2 large eggs.
05 -
1 cup M&Ms.
06 -
Peppermint bark squares (optional).
07 -
Chocolate chips (optional).
08 -
Toffee bits (optional).
09 -
Crushed candy canes (optional).
10 -
Chopped pecans (optional).