What happens next?

How to bake eggless chocolate chip banana muffins 
Preheat your oven to 425 degrees fahrenheit. 
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.

Options are:
[1]. The oven needs to be set for 400f to do this. If you have more than 1 pile, put them into the oven before setting them in the oven..
[2]. Measure and combine your dry ingredients (the flour, sugar, baking powder and salt) in a large bowl. Peel and mash your banana in a bowl (large enough to hold 2 cups)..
[3]. Mix the dry ingredients in a large bowl. You'll need the following ingredients : 8 cups (294.78 ml) flour (¼ cup) butter 1/8 cup vanilla, almond, and/or egg substitute..
[4]. During this step, your oven should be ready to bake. Grease the muffin cups and lids..
[2].