[header] How to bake eggless chocolate chip banana muffins [title] Preheat your oven to 425 degrees fahrenheit. [step] You'll be lowering the temperature to 400f as soon as the oven is preheated and you're about to put the muffins in. Doing this helps the muffins to rise. 
[title] Measure and combine your dry ingredients (the flour, sugar, baking powder and salt) in a large bowl. [title] Peel and mash your banana in a bowl (large enough to hold 2 cups).