Method
1. Pre-heat oven - 175°C, low rack
2. Line a clean loaf pan with parchment paper
3. Grease with baking spray
4. Melt the butter in the microwave
5. Place the melted butter and sugar in a large bowl and whisk until combined
6. Crack the eggs into the bowl. Whisk until completely combined and the mixture is smooth
7. Whisk the milk and vanilla into the batter
8. Peel the bananas and add them to the bowl. Using the end of the whisk or a dinner fork, mash them into the batter
9. Measure the flour, baking soda, and salt into the bowl
10. Switch to using a spatula and gently stir until the ingredients are just barely combined and no more dry flour is visible
11. Last but not least, scatter the chocolate over the batter and gently fold them in
12. Pour the batter into the prepared loaf pan, using the spatula to scrape all the batter from the bowl. Smooth the top of the batter.
13. Bake until the top of the cake is caramelized dark brown with some yellow interior peeking through and a toothpick or cake tester inserted into the middle comes out clean, 50 to 65 minutes
14. Set the loaf, still in the pan, on a wire cooling rack. Let it cool for 10 minutes
15. Grasping the parchment paper sling, lift the loaf out of the pan and place on the cooling rack. Cool for another 10 minutes before slicing
16. Serve