It's been long enough now that we can start enjoying banana bread again! But this one's leveled up, think a chocolatey moist loaf filled with ribbons of pistachio cream.
Preheat oven to 180ºC (160ºC Fan). Grease a loaf pan with butter or line with parchment paper and set aside.
In a bowl cream together the butter, sugar, eggs and vanilla until well blended and smooth.
Add in the mashed bananas and stir until well combined.
Add to the bowl the flour, baking soda and salt, mixing until just combined. Then add in the sour cream and cocoa powder and blend well.
Scoop a layer of the batter into the loaf pan followed by a healthy drizzle of pistachio cream, repeat until the pan is filled.
Swirl the top of the batter and add a few whole pistachios if you have them, then bake for around 1 hour or until a toothpick comes out slightly moist carrying a few crumbs (that should result in a moist loaf)