- Set your oven to 350F 
- Cover a 9x5 pan with parchment paper 
- Mash your bananas until they’re pulpy 
- Pour cake mix into a good-sized bowl. 
- Add the bananas, oil, and eggs until mixed evenly 
- Fold in any additions at this point 
- Pour into the prepared pan 
- Bake for 45 minutes (checking at the 35 minute mark in case your oven runs hot. 
- The cake is done when a toothpick is mostly dry after placing it in the center of the bread (you might have a few small pieces clinging). 
- COOL before you cut it