How to make coffee cake with bananas. A great breakfast or dessert with a cup of Joe. Best overripe bananas recipe you can make when your fruit is brown.
Mix wet ingredients together. It might be a but lumpy but that is ok! Add in baking soda and let sit for 30 seconds. Mix in instant coffee, if you're adding that.
Mix in dry ingredients. You want the batter to be think but spreadable. Grease a 9x13 pan and add in the batter.
Bake at 325 F in preheated oven for 20 minutes, remove from oven, and then add crumble on top. To make the crumble mash the ingredients together to create a crumbly mixture. Sprinkle on top of the cake.
Bake for another 20 minutes (or so depending on your altitude) or until toothpick comes out mostly clean with crumbs attached.