Kick the tires and light the fires to 350 degrees.
Cream your butter and sugar together in a mixer, or with a hand mixer.
Combine the dry ingredients together using a whisk.
Beat the eggs into the butter/sugar mix, one at a time and beating well after each.
Get your hand blender or whatever you can think of to puree the bananas. In a large container or bowl, puree the bananas until smooth. The smoother the banana's the nicer your cake turns out!
Add in the buttermilk and puree again, until it's a non-lumpy liquid.
Add your flour into the butter mixture and combine completely. .
After you completely mix in the dry, slowly pour in the liquid banana/buttermilk mixture.
Right when it's almost mixed, add in your chocolate chips. Mix slowly until they are combined.
Pour into a greased and floured bundt pan.
Bake at 350 degrees, 40-50 minutes, until a knife inserted comes out clean and it's a gorgeous brown.
Remove and cool for 5 minutes, then invert onto a baking rack to cool completely.
To make the glaze, combine the ingredients in a microwave safe glass measuring cup. Microwave 30 seconds at a time ,stirring after each, until the mixture is smooth.