Making your Banana Upside Down Cake is simple. Follow these easy steps to create your masterpiece:

1. Preheat Oven: Preheat your oven to 350°F (175°C) and grease a round cake pan.
2. Prepare Topping: In a saucepan over medium heat, melt the butter and stir in the brown sugar until combined. Pour this mixture into the greased pan.
3. Arrange Bananas: Neatly arrange the sliced bananas over the sugar mixture in the pan.
4. Mix Dry Ingredients: In a large bowl, whisk together the flour, baking soda, baking powder, and salt until well combined.
5. Mix Wet Ingredients: In another bowl, cream the granulated sugar and softened butter until light and fluffy. Add in the eggs, one at a time, mixing well after each addition. Stir in the vanilla extract.
6. Combine Ingredients: Gradually add the dry mixture to the wet mixture, alternating with the milk, and mix until smooth.
7. Pour Batter: Carefully pour the batter over the banana layer, spreading evenly with a spatula.
8. Bake: Place the cake in the oven and bake for 40-45 minutes, or until a toothpick inserted into the center comes out clean.
9. Cool: Remove the cake from the oven and let it cool for 10-15 minutes in the pan.
10. Invert and Serve: Carefully invert the cake onto a serving plate, revealing the caramelized bananas on top.

By following these straightforward steps, your Banana Upside Down Cake is sure to be a stunning success!