Recipe:

3 ripe bananas
1/3 melted butter
1 cup white sugar
1 egg
Vanilla

1-1/2 cups A.P flour or cake and pastry
1 tsp baking soda
Salt

1. Preheat oven to 350° f
2. Mash bananas and add wet. 
3. Add dry, mix until just combined with no flour lumps. If using c+p flour sift first. 
4. Transfer into parchment lines or well seasoned loaf pan. 
5.Bake for 1h-1:30h depending on your oven. Start checking after an hour.
6.let cool in pan!