- Step 1: Preheat Oven: Preheat the oven to 350F (175C). Grease and flour a 9x5 inch loaf pan. This step ensures the bread bakes evenly and doesn't stick to the pan. 
- Step 2: Combine Wet Ingredients: In a large bowl, mash the ripe bananas until smooth. Add the eggs and oil (or melted butter) and mix well to combine. Ensure the mixture is evenly blended to avoid lumps. 
- Step 3: Incorporate Cake Mix: Gradually add the yellow cake mix to the wet ingredients, mixing until just combined. Be careful not to overmix, as this can result in a tough bread. If using, gently fold in the cinnamon and nuts. 
- Step 4: Transfer to Pan: Pour the batter into the prepared loaf pan, spreading it evenly. This ensures that the bread bakes uniformly and has a level top. 
- Step 5: Bake: Bake in the preheated oven for 50-60 minutes, or until a wooden skewer inserted into the center comes out clean. Keep watch to avoid overbaking. 
- Step 6: Cool: Let the bread cool in the pan for 10 minutes before transferring it to a wire rack to cool completely. This prevents the bread from becoming soggy and allows it to retain its shape. 
- Optional Tips: 
- For a richer flavor, use melted unsalted butter instead of vegetable oil. 
- Add 1/4 cup of sour cream or yogurt for extra moisture. 
- If the top of the bread begins to brown too quickly, tent it with foil during the last 15 minutes of baking. 
- To make mini loaves, divide the batter among mini loaf pans and reduce the baking time accordingly.