Banana Muffins

3 bananas
3/4 C sugar
1 egg
1/3 C melted butter
1 1/2 C flour
1 tsp B soda
1 tsp B powder
1/2 tsp salt
*chocolate chips
Blend all together. Pour evenly in muffin pans. Bake at 350 20 minutes (poke with fork or toothpick)