In a large bowl, mix flour, salt, baking soda, and sugar.
In a separate bowl, mash the bananas with a fork.
Add the eggs to the mashed bananas.
Melt the butter in a separate dish in the microwave. Once the butter is melted, mix it with the eggs and bananas.
Pour the mixture over the first bowl of dry ingredients and mix it together.
Mix in the chocolate chips.
Use muffin liners to line your muffin pan. (Optional)
Grease a muffin pan or liners with cooking spray.
Pour the mixture into the muffin pan.
Sprinkle a few extra chocolate chips on top of the muffins. (Optional)
Bake at 350 degrees for 25 minutes.
Take the muffins out of the oven and let them cool.