01 -
Preheat the oven to 350°F (175°C). Grease and flour an 8-inch square baking pan.
02 -
In a medium bowl, whisk together the all-purpose flour, baking soda, and salt until evenly blended.
03 -
In a large bowl, cream the softened unsalted butter and granulated sugar together until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla extract.
04 -
Stir in the mashed bananas and sour cream until the mixture is fully combined.
05 -
Gradually add the dry ingredients to the wet mixture, mixing just until combined. Fold in the chopped pecans to evenly distribute throughout the batter.
06 -
Pour the batter into the prepared baking pan and spread it into an even layer.
07 -
Bake for 40–45 minutes, or until a toothpick inserted in the center comes out clean.
08 -
While the cake is baking, whisk together the heavy cream, powdered sugar, and vanilla extract for the glaze until smooth.
09 -
Allow the cake to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
10 -
Drizzle the vanilla glaze evenly over the cooled cake. Top with sliced bananas and additional chopped pecans before serving.