- Preheat your oven to 350 degrees. 
- In a medium sized bowl combine your cake mix, eggs and vegetable oil and stir together to make a thick cookie batter. 
- Scoop 1½ - 2 TBS of dough and roll into a ball. Repeat with additional dough. 
- Place 12 cookies onto a cookie sheet lined with parchment paper or a silicone liner. 
- Bake cookies for about 8 minutes until the tops start to get crinkly. 
- Remove from oven and allow to cool for 2 minutes on baking sheet. 
- Transfer to cooling rack to cool completely. 
- Spread frosting over the top of a cookie. 
- Place one nilla wafer onto the bottom half of cookie. 
- Place two candy eyes above the nilla wafer. 
- Place two mini oreos above the eyes like ears. 
- Attach one m&m to each Nilla wafer using frosting. 
- Allow frosting to set and enjoy!